Kasam Tere Pyaar Ki

17 years later

Tanu eagerly waits for Rishi to return. Rishi, who is now a boxer, loves to flirt with girls, and doesn't remember Tanu.

He denies going to India but Raaj threatens Raano to donate all his wealth and they all are forced to go to India. Rishi and his family reach Patiala, where Tanu resides, and on the same day Tanu's parents Shaarda and Veerendar are killed in a terrorist attack.

Raaj reaches Tanu's home and comes to know that his friend and Tanu's father Veerendar has died. Baani, Tanu's aunt, takes Rishi and his family to Mumbai, where Baani's own daughters, Swati and Neha reside.

Baani changes her daughter Neha's name to Tanu in front of Rishi's family. Tanu and Ahaana (Tanu's sister) also reach Mumbai. On the same night, Rishi and Tanu meet, and Rishi instantly falls for Tanu, without knowing that she is Tanu.

Rishi's marriage is fixed with Neha. Baani changes Tanu's name to Tanvi by saying that Raaj doesn't like Tanu and Ahaana. Tanu's marriage gets fixed with Pawan, a man from Jalandhar.

Rishi and Tanu's marriage is going to take place on the same day. Rishi finds out that Pawan is already married to a girl, Saloni and they want to use Tanu as their surrogate. Rishi fails to expose them.

On the day of their marriage, Tanu's sister Ahaana drugs Tanu and helps Rishi in kidnapping her. They both talk after which Tanu reveals that she is the real Tanu. After knowing the truth, they both happily marry, but Pawan follows them.

Everyone gets to know the truth by Ahaana, Kaatyayani Bai and Manpreet (Rishi's younger brother) that Pawan is married to Saloni and Tanvi is real Tanu.

Neha tells Sandy, her boyfriend that Rishi molested her and Sandy decides to kill Rishi. When Rishi and Tanu are about to travel back to home, Sandy mistakely shoots Tanu and Tanu passes away in the arms of Rishi.

A heartbroken Rishi tries to commit suicide, but Tanu's soul saves him yet again ad tells him that she will come only to reunite with him.

20 years later

Tanu is reborn in the form of Sandy's niece as Tanuja Vikram Sikand. Rishi becomes heartless after Tanu's sudden demise. In an accident, Tanuja's face gets burnt badly, and doctor advises her to go in for a plastic surgery. Beeji (Rishi's grandmother) mistakenly handsover Tanu's picture to the doctor and Tanuja gets Tanu's face. Rishi becomes more rude towards Tanuja . Also, Rishi now hates Tanuja as she is Sandy's niece.

On the day of Rishi's marriage with his friend Malaika, who wants Rishi's property, Raaj (Rishi's father) sees Malaika with her boyfriend Shekhar Singh Ahlawat. Raaj asks Tanuja to be the bride without anyone's knowledge while Malaika gets late for the marriage as she is stuck in a traffic jam. Rishi marries Tanuja.

Rishi's hatred towards Tanuja increases but he realizes his love for Tanuja later. Raano (Rishi's mother) and Malaika plots against Tanuja to separate her from Rishi but in vain.

On the marriage day, Rishi takes revenge on Malaika and reveals her real intentions. Later, Malaika is thrown out of Bedi house. On that very night Rishi and Tanuja consummate their marriage. Due to circumstances, Tanuja tells Rishi to divorce her as she thinks that she is unlucky for him and he will die if Tanuja remains in his life as his wife.

Rishi agrees and they both sign divorce papers but later they are reunited as Tanuja gets to know she is right for Rishi. Rishi's step-brother Poorab Bohra comes and demands 51% shares of Rishi's company to take revenge from Raj. Rishi goes to give him 51% shares but Tanuja gets all Rishi's property and Bedi family business on her name to stop Rishi giving 51% shares to Poorab as he wants to destroy Rishi.

Divya, the wife of Yuvraaj (Rishi's elder/adoptive brother) joins hands with Poorab as she thinks they treat Yuvraaj badly. Naitra, Raano's friend's daughter loves Rishi and Raano wants Naitra to marry Rishi. Rishi agrees to marry Naitra so he can make Tanuja jealous so she confesses her love.

On the day of Rishi and Naitra's engagement, Rishi gets angry on Tanuja and tells her to sign property papers in 15 minutes and give his property back to him otherwise he will get engaged to Netra. Tanuja signs the property papers but Malaika steals the papers and gives it to Naitra and asks her to take the credit of getting property back. Rishi gets engaged to Naitra. Rishi gets drunk. Tanuja who is pregnant sees Rishi getting very close to Naitra.

Naitra's trap gets successful. Thus, Tanuja leaves the Bedi House. Rishi goes to stop her at the railway station but they have a fight there and Rishi slaps Tanuja in anger and she leaves. Tanuja realises that she is pregnant with Rishi's child but it was too late.

7 years later

Tanuja lives with her friend Abhishek Khurana and her and Rishi's daughter Natasha in London.7 years before when she left Rishi she was very close to him however because of some misunderstandings tanuja leaves rishi. Before that she had sex with him and hence gives birth to Natasha Rishi lives with Naitra and her daughter, Tanya. Natasha and Tanya assume Abhishek and Rishi as their respective fathers. Rishi and Abhishek also love them as their own daughters.

Tanuja is Abhishek's caretaker. Tanuja and Abhishek pretend to be a married couple in front of the world so do Rishi and Naitra. Abhishek comes to India with Tanuja and Natasha to take over Rishi's company. Abhishek and Rishi are business competitors.

After many incidents, Rishi decides to get Natasha's custody along with Tanuja while Tanuja misunderstood Rishi and Naitra to be in a live in relationship. Rishi stops Abhishek and Tanuja's wedding hence leaving Naitra. Tanuja applies for divorce with Rishi but the court orders Tanuja to stay in Bedi house with Rishi and Natasha for six months, after the time period she can divorce Rishi. Abhishek and Naitra are heartbroken with this. Naitra vows to ruin Tanuja while Rishi tries to rekindle his and Tanuja's love. Meanwhile, Ahaana misunderstands Manpreet of having an affair with his secretary.

Manpreet tries to save his relationship with Ahaana but all his efforts go in vain as Ahaana decides to part ways after Raano and Raaj's anniversary. Abhishek tells Tanuja the truth about him, while Naitra is not giving up and tries to separate them.

Tanuja knows her truth and wants to expose her evil truth but Rishi is not ready to believe her. Naitra is successful in killing Tanuja by failing the breaks of Rishi's car. Abhishek gets emotional and tells to the Bedi Family that Naitra is responsible for this. The Bedi family announce the death of Tanuja to Rishi. Having faced the loss of his two lovers, a heartbroken Rishi commits suicide by injecting himself with poison.

25 years later

Rishi & Tanu are reborn as Ranbir Kapoor & Kritika Kohli. Ranbir is a famous soccer player in Canada, while Kritika lives with her mother in Punjab. Her mother had raised her as a single parent as she was under the impression that Kritika's father Arun Kohli had died in a fire accident in Mumbai where he had earlier gone to work. One day, Kritika's mother, while watching television, notices her long lost husband Arun giving in to news reporters about sudden unemployment in the city. She is shocked to know that the father of her daughter is alive and decides to take Kritika to Mumbai to see him.

The next morning Kritika's mother returns home with two flight tickets for Mumbai. This surprises Kritika who assumes it to be her mother's plan to get her married to a suitable groom in Mumbai. At Mumbai airport, on the same day as Kritika arrives with her mother. Ranbeer also arrives with his mother Mahima, his father Balraaj and cousin Akshay for a football match. This is followed by several destined hit-and-miss moments between Kritika and Ranbir that gives them a strange feeling of déjà vu. Next, Kritika is taken to her father's workplace at a shopping mall by her mother.

While Kritika's mother goes in search for her father, a fire breaks out at the mall causing havoc. At the same time, Ranbir and Akshay arrive at the same mall to fetch water to drink for Mahima and get trapped in the commotion. Akshay and Kritika manage to exit the mall safely, whereas Ranbir stays inside to help Kritika's mother who is injured due the human stampede. Ranbir, somehow escapes the danger with Kritika's mother and Kritika leaves with her mother for hospital as the latter had inhaled a fatal amount of smoke.

At the hospital, the doctor declares he couldn't save Kratika's mother and that she should see and meet her one last time. On her deathbed, Kratika's mother discloses it to Kratika that her biological father Arun, who was assumed to be dead, is indeed alive and she had come to Mumbai to meet him. She hands Kratika the address of Arun, her father that she had earlier received at his workplace at the mall and takes a final promise from Kratika that she would find AArun

With this Kratika's mother dies leaving Kratika distraught and shaken. After her mother's death, Kratika moves to find her father, Arun who lives in Mumbai with another woman he is married to, named Pammi and has two daughters, Ishaani (an aspiring fashion model) and Jiyana (an aspiring interior designer).

In spite of finding Arun and disclosing it to him that she is his daughter from his first marriage, Arun refuses to accept Kratika as her daughter before his current family. Although he regrets cheating on Kratika's mother and abandoning Kratika, he requests Kratika to not reveal the truth to his current family and introduces Kratika as her niece.

Seeing Kratika, Arun's second wife Pammi is infuriated as there are not enough resources to sustain a relative in her house. She asks Kratika to immediately search for some employment and support the household. The next day onwards, Kratika's search for law internship begins as she is a law graduate. The next few days are followed by Ranbeer and Kratika meeting for the first time in their present life; Kratika being appointed as the intern of Advocate Vikaas Sharma.

Meanwhile, Ranbeer's father Balraaj gets involved into a legal battle over the custody of his ancestral mansion with it's caretaker Aayush Batra while Ishaani being crowned the winner of Miss Ghatkopar beauty contest and Kratika being assaulted, molested and later kidnapped by the corporator of the municipality, Ashok who also happens to have lent Arun some money.

Eventually, Ranbeer rescues Kratika from Ashok's den but they still do not get along. Circumstances make Ranbeer and Kratika to bump into each other all the times and they both still dislike each other. On the other hand, Jiyana and Akshay also dislike each other. But, Jiyana later falls for Akshay when he manages to rescue her, Kratika and many customers at a bank where burglars had entered and created a ruckus. This is done by Akshay with a lot of help by Ranbeer who was in Canada at the time for a football tournament.

Recently, A party was held in Ranbeer's honor & Kratika went to the party along with Ishaani and Jiyana under Pammi's command. There, the host of the party developed fascination for Kratika and continued hitting on her, much to Kratika's anguish. When Kratika rejects him, he and his friends molest her and to escape from them she gets locked in cold storage room and was on the verge of death when suddenly Ranbeer comes her rescue. But Ranbeer too gets trapped there and to save a frozen Kratika from passing out he applies cardiopulmonary resuscitation on her. Then Jiyana saved them when they were unconsoncious.

Meanwhile, Ranbeer tells Kratika about his feelings for her but Kratika disregards his feelings as she is shaken by the thought of him pressing his lips on hers for ventilation. While Kratika returns home with Jiyana, Ranbeer is left distraught At the hotel where the party had taken place due to Kratika misunderstanding him. At the same time now, Malishka (Aayush Batra's daughter), with some help from her cousin, spikes Ranbeer's drink and tries to seduce him.

Then, Malishka plans to get Ranbeer arrested under fake molestation charges, but her plans thwarted when Ranbeer slaps her hard and leaves the hotel. The next morning, Ranbeer messages Kratika who after initial hesitation calls him. On the call, Ranbeer requests her to come to his house for the sake of their new friendship, to which Kratika agrees. But before Kratika, Malishka arrives to Ranbeer's house with her father, her cousin and the police with an arrest warrant against Ranbeer that he tried to molest her.

Later, Ranbeer is arrested, but Akshay bails him out after some time. On returning home, Ranbeer is worried that Kratika couldn't meet his family and decides to go to Kratika's home and explain to her about the events of the day. He breaks into her room through the window and Kratika is surprised and shocked at the same time. She tries to evict him out of her house but Ishaani spots him leaving Kratika's room and awakens the entire family. This is followed by Ranbeer meeting and greeting the Kohli family, Akshay arriving at the Kohli residence in search of Ranbeer and they all taking photographs together.

After Ranbeer gains Kratika's trust, he and Akshay return home and find Malishka and Aayush Batra threatening Balraaj and Mahima to leave the country and go back to Canada or else Ranbeer would have to spend his days behind the bars. Ranbeer, who has had enough of Malishka, slaps her and threatens to expose her lies before the court. He challenges the father-daughter duo to continue with the fake case and remarks that the truth shall always prevail.

Ranbir eventually wins the case against Malishka with the help of Kritika. Malishka in anger tries to kill everyone at Ranbir’s home when they hosted a puja at their home. In the fire, Kritika and Ranbir recall their previous lives as Tanu and Rishi. Akki and Jiana get together after realising their love for each other. The show ends as Ranbir and Kritika finally were able to be united in this birth.

Main

• Sharad Malhotra as Rishi Singh Bedi,/ Ranbir Kapoor (2016–2018)
• Kratika Sengar as Tanushree Khurrana/Tanushree Rishi Singh Bedi/ Tanuja Sikand/ Tanuja Rishi Singh Bedi/ Kritika Kohli, The character of Tanu was initially killed off and replaced by Shivani Tomar as a reincarnated version of Tanu. However, after a drop in viewership and fans demand, Tomar's version of the character underwent plastic surgery in the storyline, and producers brought Sengar back into the role of Tanu (2016–2018) ^[2]
• Shivani Tomar as Tanuja Sikand, the reincarnated version of Tanu. Tomar portrayed the role of Tanuja for approximately one month before Sengar returned to the series. Poor audience response due to a perceived lack of chemistry between Tomar and Malhotra was cited as a reason for her dismissal (2016).^[2]

Recurring cast