A 21-year old boy named Sunny (Vishal Jethwa) comes to the city on a murder contract. But he also has a penchant for sexually assaulting and murdering young girls. When he locks horns with Shivani Shivaji Roy (Rani Mukerji) the newly appointed Chief of the city police a thrilling cat and mouse hunt begins. Will Shivani manage to nab Sunny or does she end up being one of his many victims?