The Taxi Mystery

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Young millionaire Harry Canby, returning from a cruise, finds a taxi without a driver on the docks and helps a young girl escape some ruffians who are pursuing her. She disappears, but Harry identifies her as Nancy Cornell from an inscribed cigarette case and finds the driver, who is then killed before he can reveal her whereabouts. Harry is suspected of the crime, but his guardian, Willoughby Thomson, vouches for him. At a society party given by Mrs. Jameson, Harry learns that the girl is a musical comedy star, but when he confronts her she denies knowledge of the taxi incident. Following a series of complications, Harry learns that Nancy is Thomson's daughter. Vera Norris, a jealous rival of Nancy's, with the aid of her husband, Fred, tries to take Nancy's place and steal Thomson's money, but the plot is foiled.