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... see more