Rosa , Vic and their boat captain are searching for sunken treasure. They hire Mark as their diver and begin their treasure hunt. Mark soon spots a long-buried German U-boat, and the plan to search for gold quickly turns into a scheme to use the submarine to rob the HMS Queen Mary. After enlisting the help of a mechanic , the foursome set their plan in motion while Vic and Mark battle for Rosa’s affections.

• Assault on a Queen
• Jack Donohue
• Frank Sinatra
• Virna Lisi
• Anthony Franciosa
• Paramount Pictures
• Seven Arts Pictures
• Sinatra Enterprises