A woman who is in love with her boss entices him to join her at a nudist camp, but his affection soon turns elsewhere.

A small, independent air delivery service is menaced by a mad scientist with a death ray machine that blows up planes in mid-flight.

Ordinary man-in-the-street Arthur Ferguson Jones leads a very straightforward life. He's never late for work and nothing interesting ever happens to him. One day everything changes: he oversleeps and is fired as an example, he's then mistaken for evil criminal killer Mannion and is arrested. The resemblance is so striking that the police give him a special pass to avoid a similar mistake. The real Mannion sees the opportunity to steal the pass and move around freely and chaos results.

As a result of arresting a nightclub singer, Millie Garland, for speeding, Tim Daley, of the California Highway Patrol, incurs the enmity of the gangster, "Trigger" Talano, who frames him and brings about his disgrace; but Tim organizes a band ox ex-criminals and turns the table on the racketeer with a vengeance.