A Marine Sergeant wounded in overseas combat service requires an operation, and the Navy psychiatrist recommends that 'Sarge' be given a few weeks' rest before hospitalization. Through the Dean of San Juan Junior College, Sarge enters the school on a temporary basis. Meanwhile, the Teen-Agers are rehearsing a show and Freddie is worried because they have no band. Through a series of romantic entanglements, will they be able to put on the big show?