Plot Summary

The story is about a scientist, Professor Mason, who invented a powerful freezing bomb for a gangster leader nicknamed "the Pig". Mason changes his mind and kills himself in order to not let his secret in the hands of the Pig. The scientist's assistant runs away with the plans, but is chased by the gangster's henchmen. The local police chief, Capt. Gallagher, gets put on the case an investigator, martial arts expert Detective Ash.