Stuart Whitman is a master of disguise, known as "Shatter" after the hitman's ability to break shackles and shatter glass. After completing a contract out on an African leader, Shatter finds himself in Hong Kong, where he quickly realizes that everyone wants him dead, including the crime syndicate, the police, and the brother of the African leader he killed. With his life on the line, Shatter teams up with a kung fu expert named Ti Lung to try to get the money that is owed to him. Along the way, they encounter various double crosses and fight scenes, putting their lives on the line to survive.