Jo Bole So Nihaal is an action-comedy drama. The movie revolves around an honest police constable, Nihaal Singh (Sunny Deol). His life takes a turn when he encounters a criminal, Romeo (Kamaal Khan) who moves from country to country to spread terror. Unaware of his true identity, Nihaal helps Romeo to escape, and then Nihaal is labeled as a traitor. He becomes the most hated person in his village and is suspended from his job. However, the FBI recruits Nihaal to help them in capturing Romeo, and this would be his only chance to clear his name and reform his glory.