Mobsters conspire to loot another criminal's treasure secured in an enormous booby-trapped vault.

Captain Tom Rowland and Commissioner X are sent to Pakistan to destroy the Red Tigers gang, responsible for smuggling drugs from Afghanistan into the United States.

A scientist invents a filter that can increase the power of a laser beam, turning it into a death ray! A dangerous crime organization wants the device and will stop at nothing to get it, while murder and violence follow Joe and Tom to Singapore as they try to foil the evil plans.

Both Scotland Yard and an amateur American sleuth are tracking a master criminal known as The Frog. This moniker refers to the bulging-eyed mask worn by the evildoer, and is reflected by the frog icons painfully tatooed onto the forearms of his henchmen. The trail leads to the country manor of an enigmatic, steely-eyed nabob, whose repressed son has eyes for the artistes at the Lolita cabaret, and whose lovely daughter captures the fancy of both the American playboy and the villain himself. Murder, kidnapping and seduction ensue.

The ghost of a hanged man returns to fulfill his promise. All of his accusers must die!

A strange, red circle appears on the neck of a man saved from the guillotine. What is its mysterious meaning? Tragically, it turns out to be something of a family curse, as each generation thereafter bears the same sign, which in turn leads to blackmail and murder.