A youthful former U-boat captain reminisces about sex aboard the submarine. Because the young German crewmen look pretty much the same and the sex scenes are mixed together, it's hard to tell who's doing what to whom. Not that it matters since the cadets are all cute young twinks with smooth bodies and generous foreskins. Sex scenes range from solo jerking off to four guys banging each other's asses in cramped quarters. Features realistic sets, underwater special effects shots, and creative camera work. German, no subtitles.