Wealthy sportsman James Haggin (Walter Pidgeon) lives on a Quebec estate called Wintapi. Émile Fornet (Émile Genest), handler of Haggin's hunting dogs, and Émile's wife Therese (Janette Bertrand), Haggin's cook and housekeeper, live in a separate house on the estate. To start a line of top show dogs, Haggin purchases the winner of the Montreal Kennel Club show, an Irish setter named Red.
After hearing that a famous actress is dying in a hospital after being hit by a car, a reporter goes to the hospital to interview the actress. She then tells the reporter that her wealthy fiance, who was killed in an accident several years before, was actually murdered. Before long the reporter finds herself in a web of corruption, mental illness and murder.