Cyrus Baird is trying to force his daughter to marry Ethelbert Granger, wealthy but effeminate. She meets and falls in love with James Morton, nephew of Baird's pet enemy. Ethelbert takes the Bairds to cruise in the houseboat of Max Rupholdt, who has a mine layer concealed in the innocent looking craft. Morton, suspected of disloyalty, penetrates Max's secret and rescues the girl just before the fleeing spy meets extermination through one of his own mines.
An actress with a wild reputation finally settles down to a sedate and pleasant marriage. One of her former lovers, an architect, arrives to disrupt her happiness by renewing their affair. She humiliates this suitor in public with her rejection, and he seeks revenge, revenge that catapults her into tragedy.
Theda Bara's vamping is at its most evil here. She plays the Russian Princess Petrovitch, who loves only her pearls. Her husband, the Prince (E.F. Roseman), sells state secrets to a spy to pay her exorbitant bills, and her response is to report him to the secret police. Then she runs off to Monte Carlo with her lover, Count Zerstoff (Emil deVarney), but she poisons him after he racks up a load of gambling losses.
In this lost film, Theda Bara took the role of spoiled, deceiving nymphomaniac "vixen" Elsie Drummond. She wooed Wall Street businessman Martin Stevens (A. H. Van Buren) away from his interest in her sweet sister Helen (Mary G. Martin). She continued to seek after rich men, eventually marrying young statesman Knowles Murray (Herbert Heyes) (again stolen from Helen) - but still willing to be unfaithful with Stevens who had since regained his fortune. (filmsite.org)
Christabel Nuneham (Gladys Hanson) feels neglected by her husband, Phil (Ferdinand Tidmarsh), so she has an affair with Rex Allen (Jack Standing). When Allen has to go to India, Christabel follows him to Southampton to see him off. She is injured in a car accident and is rescued by an evangelist (George Soule Spencer) whose specialty is saving sinners.
The world's finest ruby was stolen from the bride of Prince Kassim's great-grandfather several generations ago in India by a marauding rajah. It's now several decades later and the British have conquered India, and one day the ruby shows up for sale by a wealthy London jeweler, Sir John Garnett. Garnett has his own problems--there have been a rash of thefts of his wife's jewels, and he hires a private detective named James Brett to investigate.