Donald Lewis is a low-paid clerk in a high-profile shipbuilding firm. When the company is robbed in broad daylight, Lewis gathers up $100,000 on his own and skeedaddles, figuring that the lost funds will be attributed to the holdup. Before his girlfriend Ginny can persuade him to go straight, the hapless Lewis finds himself hotly pursued by cops and crooks alike.

Stunt driver Cliff Jordan takes a job with his old pal Jerry McGee, branch manager of an express trucking firm. Jerry is married to Mary, Cliff's former girl friend. Also working for Jerry is Pete Simmons, son of the owner Al Simmons, and office secretary Jane Chandler, who is Pete's sweetheart. Before long, Cliff has made enemies of Pusher Wilks, a trucker whose run he takes over, and also Pete, whose girl he is trying to take over. Pusher sabotages Cliff's rig at every opportunity causing several near-fatal accidents.

A former secret agent is sent to retrieve a priceless collection of stolen jewels from a Lisbon nightclub owner who worked both sides during World War II.

A police lieutenant is determined to bust the gang of crooks selling defective automobile tires.

A fingerprint expert figures out who killed the mayor.