A group of desperate Chinese criminals hope to make a quick, effortless score in Hong Kong. Things go afoul, and the gang must hide out until the heat dies down, besmirched with the blood of an undercover cop.

A cop who loses his partner in a shoot-out with gun smugglers goes on a mission to catch them. In order to get closer to the leaders of the ring he joins forces with an undercover cop who's working as a gangster hitman. They use all means of excessive force to find them.