Naive and idealistic Jefferson Smith, leader of the Boy Rangers, is appointed to the United States Senate by the puppet governor of his state. He soon discovers, upon going to Washington, many shortcomings of the political process as his earnest goal of a national boys’ camp leads to a conflict with the state political boss.

French playboy Michel Marnet and American Terry McKay fall in love during the transatlantic passage of a ship. They arrange to reunite six months later, if neither has changed their mind.

When the fleet puts in at San Francisco, sailor Bake Baker tries to rekindle the flame with his old dancing partner, Sherry Martin, while Bake’s buddy Bilge Smith romances Sherry’s sister, Connie. But it’s not all smooth sailing—Bake has a habit of losing Sherry’s jobs for her and, despite Connie’s dreams, Bilge is not ready to settle down.