Akash (Ranbir Kapoor) and Kiara (Priyanka Chopra) are trying to find luck in their life after several failed attempts to be successful in their careers and in love. Fed up, they both decide to commit suicide by jumping off a bridge. However, both land up on the same bridge at the same time.

Vishwanathan, a Kathak dance teacher in New York, is in a rather happy marriage with Nirupama who is a nuclear oncologist. Nirupama is from a middle class family in Chennai, she marries Vishwanath (a dance master) to pursue her higher studies in the USA. But when Nirupama wants to break up with her husband, she engages a private detective. That’s when the pandora’s box opens up.

After working as a drug courier and getting into a brutal shootout with police, a former boxer finds himself at the mercy of his enemies as they force him to instigate violent acts that turn the prison he resides in into a battleground.