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Vengeance of the Deep Synopsis

Captain Musgrove, the brutal lord of a South Sea island, prevents the natives from participating in his pearl-diving enterprise. When Tagu, son of the native chief, is penalized by the captain for poaching, he avenges himself by attempting to kill Frederico, Musgrove's chief diver. Although Frederico is determined to marry the captain's daughter, Ethel, she prefers a beachcomber named Jean. During an experimental dive, Jean and Frederico discover a treasure chest and decide to conceal their find from Musgrove. However, as they return to shore, Frederico abandons Jean when he is trapped by a giant clam. As Frederico is about to marry Ethel, Jean emerges from the ocean and punishes his rival. Jean wins Ethel and becomes the new chief diver.

The Key to Power Synopsis

Bruce Wendell, the son of West Virginia coal mine owner James Wendell, graduates from West Point and prepares to lead a fighting unit to the front during World War I. As his father lies dying, however, he convinces Bruce to remain at home and guard the mine. Bruce's fiancée Ann Blair assumes that he is a coward and breaks off their engagement, but her brother Bobbie remains Bruce's loyal friend. Meyer, a German agent, persuades railroad president Parrish to refuse to transport Wendell's coal, but when Bruce adamantly refuses to close the mine, the spy's men decide to blow it up. While Ann is being abducted by Meyer, Bobbie is buried in an explosion at the mine. Bruce rescues Bobbie and then sends a plea to Lieutenant Parrish to rescue Ann. Meyer and his gang are captured and Ann renews her vow of love to Bruce.