Nick Carter is hired by a rich man to verify his suspicions that the young man that is paying his daughter attentions is deceiving her. It is discovered that the boy is being lured by society crooks into blackmail. Fourth and final episode of the Nick Carter series starring Edmund Lowe.
Nick Carter, called to a prominent New York hotel room by a wealthy mine owner, finds him dead when he arrives. His investigation involves a number of supposed reputable business men, but he solves the mystery and brings all to justice.
Nick Carter investigates the mysterious death of a man attending a Spiritualistic seance held in the home of a psychic scientist, friend of the man who suddenly died.