The Blue Dahlia

The Blue Dahlia is a 1946 Film Noir directed by George Marshall and written by Raymond Chandler. A navy officer returns home to an unfaithful wife, who is later murdered. It stars Alan Ladd as the navy officer, Johnny Morrison, and Veronica Lake as his Love Interest, the wife of a Mobster who is seeing Morrison's unfaithful wife, Helen (Doris Dowling). During the movie Johnny tries to solve the mystery of the murder of his wife while the police is looking for him as prime suspect.

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Tropes used in The Blue Dahlia include:

• Amateur Sleuth: The House detective that finds the dead body of Helen
• Motive Rant
• Red Herring:Neither the Mobster with whom she was having an affair nor the War buddy of her husband killed her, while we are lead to believe that one of them did.
• The Reveal:The real killer is the Amateur Sleuth
• Relationship Actor: This was the third film to co-star Alan Ladd and Veronica Lake.