Keep 'Em Slugging

Tommy Banning (Bobby Jordan) and his pals,"Pig" (Huntz Hall), "Ape" (Norman Abbott) and "String" (Gabriel Dell) have jobs in a department store where store executive Frank Moulto (Frank Albertson) is romantically attracted to Sheila Banning (Evelyn Ankers), Tommy's sister. Frank is also secretly involved with a gang of truck hijackers. When a load of silk is to be hi-jacked, he tries to involve Tommy in the theft, but Tommy rejects his proposition. Frank frames Tommy with the theft of some jewel (imdb)