Bob Watson and Ricky Adams, and the Hughes twins, Skipper and Patricia, cannot register at Opalocka University until they find lodgings in the school's overcrowded quarters. They pretend they are married to get the last two units in the married veteran's housing project, with the girls in one unit and the boys in the other. A noisy kid, Junior Ormsbee, the nephew of the landlords, voices his suspicions and nearly gets them evicted. And a U.S. Senator, investigating veteran's projects, adds new complications.