Sonia (Isha Koppikar) is the owner of a casino in Goa, and a successful entrepreneur who lives with her only son. When her son goes missing, Sonia is left distraught.
She plans to offer a huge reward to anyone who can find her son. Raj (Shahid Kapoor) and Priya (Kareena Kapoor), are two strangers who accidentally spot the child together. They decide to split the reward money between them.
They reach Sonia's mansion, come across her dead body, panic and escape from the mansion. The two become the chief suspects of the murder.