Chamku is an action thriller that follows the story of a man named Chandrama Singh (Bobby Deol). Chandrama’s family was brutally murdered, and later, he is adopted and raised by Baba (Danny Denzongpa), a Naxal leader based in Bihar. However, Baba gets killed and Chadrama is captured. He is trained under a secret Government program to carry out political assassinations. Meanwhile, he falls in love with a kindergarten teacher, Shubhi (Priyanka Chopra), and realizes how beautiful and better the crime-free life is.