Kiang has just been dumped by his girlfriend and is suicidal. He unsuccessfully tries several ways to kill himself. He bumps into a girl who hastily marries him and forces him to move in with her. She is obsessed in getting rich quick and now has a sinister plan on how to reach her goal.

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.