Kabir Rajdeer Singh is a home surgeon at the Delhi Institute of Medical Sciences.
After a dispute, Kabir is told to either apologize or leave. Kabir chooses to leave.
But a new student, Preity Zinta, stays put.
Later, Kabir and his friends announce that he has specifically claimed to be Priti.
Scary at first, he adapts to his bold demeanor and eventually confronts his emotions to develop a close relationship.
Kabir graduated with an MBBS certificate and moved to Missouri after graduation.
Despite the distance, their relationship will grow stronger over the next few years.
After Priti's graduation, she meets her conservative parents, but her father always kisses them and throws them away.
Harpal continues to oppose their relationship despite Kabir trying to explain their love.
An angry Kabir asks Priti to choose between him and her family in the next six hours or else he will end their relationship.
Preity fails to reach him back in time. Feeling quit.
Kabir gives himself an injection of the drug morphine and he remains unconscious for two days.
Upon regaining consciousness he realizes that Priti is forcibly forced into a arranged marriage and knocks on the door of the wedding party.
Harpal has beaten and imprisoned him.
After Kabir's release, his father, Rajdir, separated him from the family for his actions.
With the help of his friend Shiva, Kabir finds a rented flat and is admitted to a private hospital as a surgeon.
Kabir abuses drugs such as alcohol to control his emotions.
Trying to stay overnight. He has normal relationships. He buys a dog. None of them are successful.
Within a few months he had become a successful surgeon and a high-performance alcoholic who was respected and feared by the hospital staff.
His self-destructive behavior and madness worried his friends.
While on a one-day vacation the hungry Kabir is called upon to perform emergency surgery which he reluctantly agrees to.
During the procedure he came out of dehydration. The suspect is being treated by hospital staff for blood samples that show signs of alcohol and cocaine.
A case has been registered against him and Kabir, who was beaten during an in-house hearing, confessed to drinking alcohol and violating medical ethics.
As a result, his medical license was suspended for five years and he was evicted from his flat.
The next morning he learns of his grandmother's death. At the funeral he and Rajdir reconcile and decide to give up their habits.
A few days later, Kabir saw a pregnant but upset Priti sitting in the park.
She gets close and offers to raise the child with her if she is unhappy in her marriage.
Silently at first she sheds angry tears, yells at him to leave her and asks him to leave.
Shiva then describes Kabir's madness and self-destructive habits which he was unaware of.
Surprisingly, she admits that she left her husband three days after the marriage and works in a clinic to support herself.
Anger prevailed especially when she contacted him after hearing about his normal relationship with an actress.
She explained that her marriage had never ended and that the child was Kabir's.
They get married and reunite with their families, always apologizing to them.
The movie ends with them on the beach with their baby.