A psychological study of the effects of drug addiction on humanity. Helene Ford has been injected with heroin by an unscrupulous physician, causing her to act irrationally. Her husband Stephen, a noted artist, hires a model whom Helene, inflamed by their friend Jack Murray, suspects of having an affair with Stephen. The model is also addicted to drugs and convinces Stephen to try heroin to forget his troubles. Both Stephen and Helene then become addicted to drugs. They abandon their home and then separate, after which Stephen resorts to crime to support his heroin addiction. During an escape from the police after a robbery, Stephen encounters Helene again, this time near death. She sacrifices her own life to shield her husband, but Stephen and his former model plunge to their deaths.

Rev. Bradford seeks the health resort conducted by William Muldoon. "Kid Garvey," who has known Mr. Muldoon for many years, calls on his old friend. Rev. Bradford arrives and he chooses the "Kid" as his trainer, believing him to be one of the regular trainers of the institution. Garvey seeks an opportunity of breaking into "swell society" and requests that he be introduced by his right name, Frank Sheldon.