Navy pals Jack Dorgan (Jack Holt) and Bob Mason (Ralph Graves) find their friendship sunk when Jack learns of a dalliance between his wife Bessie (Dorothy Revier) and his supposed chum. But when Bob gets stuck in a submarine at the bottom of the ocean, will expert diver Jack put their differences aside long enough to save him? Frank Capra's exciting silent action tale also stars Clarence Burton, Arthur Rankin. 93 min. Standard; Soundtrack: music score. Silent with synchronized music score and sound effects.