Below the Surface (1920 film)

Plot

Based upon a description in two film magazines, Martin Flint (Bosworth) and his son Luther (Hughes) are partners in a deep sea diving business who save dive to save the lives of twenty men trapped in a sunken submarine. This brings their names to the attention of promoter James Arnold (Webb), who tries to interest them in a fraudulent scheme to extract treasure from a sunken wreck. The father declines, but the son accepts, attracted by a young woman with the promoter, Edna Gordon (Darmond), whom Luther is tricked into marrying. As a result of the dive on the treasure ship Luther becomes delirious. Edna leaves Luther and goes with James to New York City, so the father goes to an underworld dive bar in an attempt to get her back. Later, a steamer they were on sinks after a collision with a derelict, carrying the promoter and Luther's wife to their deaths. Luther refuses to accept his father's story that the woman was worthless, and dives on the sunken steamer only to discover his dead wife embraced in the arms of her lover James.

Cast