The first manned expedition to Mars is invaded by an unknown life form, which stows away on the rescue ship.
This musical reworking of Too Many Husbands (1940), features Grable as a top singer and dancer who's been widowed by WW II. She marries her late husband's songwriting partner, Gower Champion, but the new marriage is thrown for a loop when Lemmon, her first husband, turns up very much alive and eager to see Grable.
Brothers Dan and Neil Hammond return to Texas after the Civil War. Ambitious Dan turns to rustling and then shady land deals to build an empire. Being held for a murder, he is rescued from a lynch mob by Neil, who is now the Marshal, but there is eventually a falling out between the brothers, good triumphing over evil.
The big national crime syndicate has moved into town, partnering up with local crime boss Nick Scanlon. McQuigg, the only honest police captain on the force, and his loyal patrolman, Johnson, take on the violent Nick.
Police sergeants Johnson and McManus take on Los Angeles confidence tricksters. Con man Tony Wells, lining up rich widow Jessica Royce as his latest mark, sets up a false paranormal society with other charlatans to convince the credulous Jessica that her late son is speaking to her through their sham seances. When the plan leads to murder, Johnson and McManus must bring the group down before they kill again.
Nick Garcos comes back from his tour of duty in World War II planning to settle down with his girlfriend, Polly Faber. He learns, however, that his father was recently beaten and burglarized by mob-connected trucker Mike Figlia, and Nick resolves to get even. He partners with prostitute Rica, and together they go after Mike, all the while getting pulled further into the local crime underworld.
Through a fluke circumstance, a ruthless woman stumbles across a suitcase filled with $60,000, and is determined to hold onto it even if it means murder.
Roy Martin aka Roy Morgan is a burglar and former war-time Radio & Electronics Engineer who listens in to radio police calls, allowing him to stay one step ahead of the cops.
Pursued by the big-time gambler he robbed, John Muller assumes a new identity—with unfortunate results.
Joe Sullivan is itching to get out of prison. He's taken the rap for his accomplice Rick, a sadistic mobster who owes him $50,000 from the job they pulled. Rick sets up an escape for Joe, assuming that Joe will be killed while fleeing. But with the help of his love-struck girl Pat and his sympathetic legal caseworker Ann, Joe gets further than Rick intended...
Teenager Susan Turner, with a severe crush on playboy artist Richard Nugent, sneaks into his apartment to model for him and is found there by her sister Judge Margaret Turner. Threatened with jail, Nugent agrees to date Susan until the crush abates.
On America's frontier, a St. Louis woman marries a New Mexico cattleman who is seen as a tyrant by the locals.
Newlyweds Webster and Jackie Frye spend their honeymoon in a sinister old country house. Before long, they are besieged by a gang of crooks, searching for a fortune in diamonds. With the help of chauffeur Harmony Jones, the honeymooners attempt to outsmart the villains.