The background of the story is that in 1795, during the colonial rule of India by the East India Company, the colonial rulers wanted to capture the leader of the resistance organization "Azad" (played by Amitabh Bachchan), so they found a gangster Frankie (played by Aamir Khan) to act as a spy, but Frankie had other ideas during the lurking process, and an action-adventure story full of unexpected things unfolded...