Based on

Movies like G.I. Dood It (1955)

Joe Besser has a fight with an army sergeant before he is drafted, and when he arrives at camp, finds the sergeant is his NCO and not adverse to taking revenge. When some documents are missing, the commanding officer offers a promotion to anyone who finds the. Joe and the sergeant get into a fight in the kitchen, and Joe discovers the paper. He is promoted to sergeant and the sergeant is busted to a private.