Andy and Nicky, a newly-married young bank clerk and his wife, find their marital bliss threatened by a daring novel written by Nicky which becomes a sensational best-seller. The novel is about a he-man, Joe and his conquests, which arouses Andy’s jealousy and he refuses to believe that his young wife can have imagined it all. Before all ends happily, Andy finds himself for various reasons trying to emulate the hero of the book, with hilarious results.