A martial artist is forced by a Thai mafia gang to steal client information from a bank in exchange for his brother, who gas been kidnapped by the gang. When the gang kicks it up by strapping explosives to the man's brother, the man decides it is time to strike back.

After a brush with a strange substance, an average fireman transforms into something far greater than himself — the Mercury Man. Endowed with fantastic superpowers, he will now use his abilities to help conquer the forces of evil.