genus Rosa, Vic and their boat captain are search for deep-set hoarded wealth. They engage grade as their frogman and get down their hoarded wealth Holman Hunt. grade shortly descry a long-buried German submarine, and the program to seek for golden rapidly turn into a strategy to use the pigboat to rob the HMS Queen Virgin Mary. After enlist the aid of a machinist, the quartet set their program in gesture while Vic and grade conflict for genus Rosa’s affection.