Peter, a social lion, suffering from ennui, visits a mysterious antique shop conducted by Ratoor, an east Indian, who has. through hypnotism, enslaved Cynthia, a beautiful young girl. Peter notices something wrong in the shop keeper's conduct and decides to investigate. Broadhurst, a millionaire, is in love with Cynthia through whom Ratoor plots to get his millions. Peter makes a nocturnal visit to the shop and discovering Cynthia imprisoned, tries unsuccessfully to liberate her. Ratoor, dominating Cynthia, compels her to accept Broadhurst's proposal and a weeding day is set. After the ceremony, she warns him against Ratoor and begs him to leave for his own safety. Broadhurst refuses, and keeping Ratoor, who has discovered their abode, under surveillance, arrives too late to save Broadhurst. And he, himself, narrowly escapes from being thrown into the river by Ratoor's henchman. Cynthia, falling by a ruse, to outwit her former master, is again in his clutches. Peter, still dubious, visits the shop of Ratoor, who, suspecting that he is watched, decides to make an end of Cynthia, who has transferred her husband's property to him. Concealed, Peter sees Ratoor and his gang disappear with Cynthia in the direction of the cemetery. The scoundrels, frightened by uncanny noises, forsake the half-swooning Cynthia who is rescued by Peter following in the darkness.