Khel is the story of two thick friends, Dev Mallya (Sunil Shetty) and Rohan Poddar (Ajay Devgan). Dev is business tycoon and has an undying passion to be the most successful businessman of the country. While Rohan is a simpleton and a mild mannered philantropist. Saanjh Batra (Celina Jaitley) is an interior designer and gets attracted to Rohan. One fine day, Rohan gets arrested for a murder and Dev and Saanjh are crestfallen with this incident. ACP Rajveer Scindia (Sunny Deol) is commissioned to the city and comes across the case of Rohan. On investigating Rohan's case further certain evindences force Rajveer to start thinking that... this is no ordinary game.