 While at the Mermaid Bar, Agent James West is shot with a blow dart by a woman disguised as a Mermaid. When he comes to, West finds himself aboard a ship, where he meets an unusual woman with a mysterious compact. Suddenly, the ship is attacked by a fire breathing dragon and ship explodes. After floating to shore, Jim meets Arte and they unveil the secrets of a new weapon: a dragon-like torpedo attracted to a homing device in a woman s compact. Together they must find the weapon before a government ship, loaded with a cargo of explosives, arrives in the San Francisco harbor.