There are more ways to get into trouble than ways to get out on the San Francisco waterfront. It's no wonder then that Clint Adams reluctantly agrees to keep a mysterious appointment at the Black Pearl Saloon. There, the Gunsmith finds two old friends, private detectives John Chang and Sam Wing, who inform him that the lovely lady Clint is supposed to meet has disappeared-kidnapped by the Black Pearl Tong. Now the Gunsmith's worst fears start to come true: he's fighting for his life in the deadly maze of San Francisco's Chinatown...