Avalon undergoes a personality change after accidentally launching himself into space. He's supposed to marry Walley, but has been sent to the guardhouse because he threatens to expose the Air Force mistake that caused his space trip. Sgt. Donovan (Avalon in a dual role) becomes his
replacement at the altar. Deadhead Avalon escapes from prison, gets to the honeymoon suite, and turns into his charming self just in time to win back his woman.