Khatarnaak is an action crime drama. The movie revolves around a criminal named Suraj ‘Sunny’ (Sanjay Dutt), who has grown up in the criminal world, and has committed crimes and murders all his life. Sunny follows the instructions of his boss Dhabariya and does everything he says. One day, he gets arrested for the charges of murder, and in jail he meets Dr. Sangeeta (Farha Naaz), and falls in love with her. However, Sangeeta has nothing to do with him. Sunny then decides to mend his ways to be with Sangeeta. However, will his past let him move on with his life?