Spread across Mumbai over a decade, the film is about the relationship between the quirky, rebellious Meeta (Parineeti Chopra) and the mischievous Nikhil (Sidharth Malhotra) struggling with their respective families to fit in. Nikhil bumps into Meeta on the occasion of her sister Deeksha's wedding while Meeta is on the run. He falls in love with Meeta's sister Karishma on the same day. The film jumps to the eve of Nikhil and Karishma's engagement. Karishma's wealthy father, Devesh Solanki, does not approve of Nikhil as he finds him to be a lackadaisical young man. On the day of his engagement, Nikhil promises Karishma that he will prove himself to be worthy of her within the next seven days. Nikhil is re-introduced to Meeta by Karishma and is instructed to put her up in a hotel. Nikhil recognizes Meeta. In an attempt to please Karishma he decides to keep Meeta in the flat above his own house, with his crazy extended family. During the course of Meeta's stay at Nikhil's house, they ... Written by Reliance Entertainment

The film portrays the kidnapping of a little girl of 10, who is out with her father for the day. Her parents are divorced and her stepfather (a cop) steps in for the investigation. The suicidal mother has an ax to grind with both her ex-husband and her current husband. As the investigation proceeds, the characters are placed in sordid scenarios that reveal their unsavory sides; the mind games between the both the fathers in particular lend the procedural its most gripping drama as everyone else is getting greedy and ugly not caring about the kidnapped girl. Written by Deepak Futela