Nico, a drug dealer, murders a telegram messenger-boy "for kicks", egged on by partner-in-crime, TV director Francis. Cliff, the boy's older brother, investigates his death due to the slow progress made by the police.
Unpopular at school because of his high I.Q., neglected by his weak and alcoholic father, Marvin is easy prey for the campus vamb, Betty, who pretends an interest in Marv only so that he will write her term paper. When the two are discovered cheating by their professor, the longed-for scholarship recommendation is withdrawn. Meanwhile the jealousy of Betty's boy friend has been aroused and when Marv learns that he can only hold the girl's affections by offering her riches, he plans a million dollar robbery. Even the professional gangsters with whom he works are amazed at the brilliance of the young genius. Again, however, he is double crossed by Betty who has warned her friend and his gang of the plan. When the police also learn of the activities the project as well as the lives of a number of the boys ends in tragedy.
A sleazeball (Ronald Long) who supplies women to his public-relations clients explains the rules of the game to his latest acquisition (Jeanne Rainer).
Both Scotland Yard and an amateur American sleuth are tracking a master criminal known as The Frog. This moniker refers to the bulging-eyed mask worn by the evildoer, and is reflected by the frog icons painfully tatooed onto the forearms of his henchmen. The trail leads to the country manor of an enigmatic, steely-eyed nabob, whose repressed son has eyes for the artistes at the Lolita cabaret, and whose lovely daughter captures the fancy of both the American playboy and the villain himself. Murder, kidnapping and seduction ensue.
Mystery writer Cornelia Van Gorder has rented a country house called "The Oaks", which not long ago was the scene of some murders committed by a strange and violent criminal known as "The Bat". Meanwhile, the house's owner, bank president John Fleming, has recently embezzled one million dollars in securities and has hidden the proceeds in the house, but is killed before he can retrieve it.
A young alien falls for a pretty teenage Earth girl and they team up to try to stop the plans of his invading cohorts, who intend to use Earth as a food-breeding ground for giant lobsters from their planet.
Two musicians witness a mob hit and need to quickly find a way out of Chicago. Their only opportunity comes in the form of joining an all-girl band as they prepare to leave on a tour. The two disguise themselves as women and struggle to keep their identities secret as the gangsters close in.
US Army Officer Dan Adams, blinded during the war, is framed for a diamond smuggling rap. Upon regaining his sight, Adams goes after the real thieves in an effort to clear his name. In order to trap the wily criminals, Adams pretends that he's still bereft of his vision.
In the 1930s, amoral blonde tommy-gun girl Bonnie Parker cut a swath of bodies across the South-West. Starting out on gas stations and bars with side-kick Guy Darrow she graduated to bank hold-ups with Darrow's brother and, after bloodily springing him, her jailed husband. But there was never any doubt who was in charge.