Dailey stars as a frogman in this episodic tale which stretches from pre-WW II times to Korea. A great deal of unusual underwater footage, including swimming among sharks and a 300-foot dive, adds excitement to Dailey's adventures, but the picture loses steam when it takes to land. Besides
battling the enemy, Dailey also has to deal with a wife who has trouble understanding why his job is so important to him. The film is based on the real-life adventures of a naval commander named Francis D. Fane. Charles A. Lindbergh's son Jon plays the part of one of the officers on the divers'
boat. This is another undersea epic from subsurface producer Tors, Hollywood's answer ...