Maud Gregaards tells her rescuer, the Chinese Dr. Kien-Lung, her life: Her father was an archivist in the Foreign Office who was run by the unscrupulous Dr. Frohner was blackmailed into giving him a secret Chinese treaty.
As Madsen and Maud explore the city of Ophir, they witness an ancient ritual performed by the residents. The two are discovered, and with strangers desecrating the city's sacred ground, Maud is to be sacrificed to the goddess Ophirs, while Madsen is taken to the Sabytes, an enslaved native tribe.
After the death of Alan Stanley, Maud Fergusson seeks revenge. On her behalf, the detective Hunt begins to investigate and proves that Murphy is responsible for the murder. Maud's revenge plan involves launching a newspaper campaign against Murphy, defaming and embarrassing him.
