O'Toole invites Prince Pussik of Tiboria, who is also his country's Grand Admiral of the Navy, aboard the Appleby but he soon regrets it - the visitor loves to give orders, he's only 12 years old.

When the last film reel to the mystery movie the crew is watching is missing they do all possible to find the ending. Extra motivation to find out who the murderer is results because of the bets which have occurred while waiting to solve the mystery.

O'Toole's efforts to boost St. John's deflated ego with some attractive Waves goes along swimmingly - until St. John is caught kissing the daughter of a congressman.