A computer at a nuclear power plant malfunctions and receives erroneous information of a radiation leak. It seals off the compound, trapping the crew inside.

An embittered old man is obsessed with conquering the Niagara River and Niagara Falls. He endangers his sons' lives by forcing them to challenge the falls by going over them in a barrel.

When a wealthy scriptwriter and socialite's daughter is murdered, he feels let down by the courts, and so decides to use his powerful position to enable his own form of justice.

Robert Mitchum stars as a down-and-out ex-cop whose entanglement with a shady casino owner leaves him one step behind a killer.