After the end of WWII, Adm. Matt Sherman (Cary Grant) reads over his log from the USS Sea Tiger
, the submarine he captains. Sherman is about to turn over the command of the sub to Lt. Nick Holden (Tony Curtis), who is assigned to squire it until it is destroyed and replaced by a nuclear
vessel. The movie unwinds in flashback as Sherman recalls some of the events in the sub's life--particularly how that life was renewed when he became determined to raise the Sea Tiger
in the wake of an attack in Manila Bay. It's December 1941 and, with help from Holden, who secures the supplies
and gear to help restore the badly damaged sub, Sherman and his crew take t...