Frank M. Seki

Loey Tsing, the first love of Chan Wang, is sold into slavery by her father. Although Chan marries another, he still loves Loey; only the birth of a son relieves his unhappiness. He adores little Chan Toy even though he finds nothing to like about his wife.

The true story of Lord Francis Hope who inherits the Hope Diamond and marries showgirl May Yohe. Lord Francis Hope gambles away the family fortune and May Yohe leaves him. Another suspected curse of owning the Hope Diamond.

Jeanne Baldwin, Leonard Staunton, Alan Fitzhugh and Jack Baldwin are guided on a tour of underground dens in Chinatown by Hop Lee. During their trip, Wang Foo abducts Jeanne, and she and her companions are rescued through the intervention of private detective Frank Condon. Three months later, Fitzhugh is missing, supposedly murdered by the Chinese. Jack Baldwin is threatened, poisoned and his body disappears. Next, a threat against Jeanne is received by Staunton. To save her life, he is to meet the blackmailers at a bay in the harbor. Enlisting the aid of a submarine, Staunton captures the three conspirators, who turn out to be the missing victims in the case, led by Condon. The three had planned the escapade to extort money from Staunton. The mystery thus resolved, Staunton and Jeanne are married. A lost film.