After the end of World War II, Jean Madison, a former
WAVE ensign, meets the former
aircrew of an
Army Air Corps A-20 Havoc light bomber named "Sinful Sinthia" when they go to collect their
unemployment benefits. They are all members of the 52-20 Club, a government program that pays unemployed veterans $20 a week for 52 weeks. The men take Jean, whom Jimmy dubs the Admiral, under their wing, showing her how to save money. For example, they open bank accounts in order to receive a free ceramic
piggy bank and have their $20 checks cashed, then close their accounts without having to pay a fee. They sell the piggy banks to a pawnbroker for 25 cents each. The gang lives free in an empty aircraft factory because Jimmy is the night watchman. Eddie artfully makes their furniture out of aircraft parts and other war surplus. They get their meals discounted for being stale or in trade, as when Mike substitutes for the lifeguard at a private club. Former taxi driver Ollie drives them around in a
sound truck from a local music store in exchange for providing advertising over a loudspeaker. Jean is secretly followed by a private detective. When she learns that her fiancé Henry is returning to the United States but has not mentioned it to her, she becomes upset and boards a bus for home. Jimmy is summoned to the office of Peter Pedigrew, the "Jukebox King", who had hired the private detective. He threatens to put the men to work, ending their idyllic lifestyle, unless they keep Jean from leaving for 24 hours. Pedigrew later explains that his ex-wife Shirley intends to marry Henry. Pedigrew wants to remarry Shirley because, after two expensive divorces, she has most of his money, and he desperately needs capital to expand his business. Also, he is still irresistibly attracted to her although she is "so beautifully wicked". He wants the crew to help reunite Henry and Jean, and Jimmy reluctantly agrees. Jimmy races to the bus and convinces Jean to stay by lying to her about Henry. As they spend time together, Jean discovers that the men are living with a dark secret. Jimmy feels guilty for Mike's injuries when their airplane crashed during the war. Jimmy, the former head of an
employment agency, will not rest until all of his crewmen have resolved things. Jimmy even takes Mike's place in a boxing match, since the injuries could kill Mike, although Jimmy has never been inside a ring. Pedigrew connects with Shirley, Henry comes for Jean and Eddie realizes that he needs to return home to determine whether his girlfriend will love him even if he is poor. Finally, Pedigrew agrees to start Mike and Ollie in business. Jimmy is in love with the Admiral. When the unseen Henry finally knocks on her door, she leaves it locked in favor of Jimmy. == Cast ==