A crazed scientist sends out his mutant creations to kidnap young, beautiful men and women to bring back to his lab so he can transplant their brains into the bodies of old, wealthy people.
Bumbling Navy lieutenant Tom Dodge has been given one last chance to clean up his record. But Admiral Graham, his nemesis, assigns Dodge to the Stingray, a submarine that can barely keep afloat. To add insult to injury, the Stingray is to be the enemy flagship in the upcoming war games … and to make matters even worse, Dodge's crew is a band of idiots even more incompetent that he is!