Two former comrades find themselves on opposite sides of the honesty fence. The real villains are corrupt government officials and big-business influence peddlers. Diplomacy goes out the window as arguments are settled with fist, foot, and crushed skulls.

A team of maritime salvage workers are about to embark on a recovery dive. However the 1883 Krakatoa Volcano eruption provides more pressing problems.

What is meant to be a pleasure cruise becomes a nightmare as murder follows murder on a small ship. With tension mounting, passengers and the crew turn on each other in a desperate attempt to identify the killer.

An ex-con seeks revenge on the man who put him in prison by planning a robbery of the latter's stagecoach, which is transporting gold. He enlists the help of a partner, who could be working for his nemesis.

A rookie cop on the undercover narcotic squad falls for the junkie who can help him nab a ruthless pusher/killer.

Young and awkward, The Coast-Guard's ensign Thomas Garland suffers from the comparison with his late father, a war hero. Which does not prevent him from falling for pretty Kate Fairchild, a young woman who runs a sailing school. Of course the way he expresses his deep sympathy for the lady leaves to be desired. And the situation does not improve when a trio of bumbling jewel thieves interferes.

When virtually all of the residents of Piedmont, New Mexico, are found dead after the return to Earth of a space satellite, the head of the US Air Force's Project Scoop declares an emergency. A group of eminent scientists led by Dr. Jeremy Stone scramble to a secure laboratory and try to first isolate the life form while determining why two people from Piedmont - an old alcoholic and a six-month-old baby - survived. The scientists methodically study the alien life form unaware that it has already mutated and presents a far greater danger in the lab, which is equipped with a nuclear self-destruct device designed to prevent the escape of dangerous biological agents.

The madam of a floating bordello hires private eye Peter Gunn to prove a gangster killed a crime boss.