In the 1945 film noir-musical Lady on a Train , Deanna Durbin plays Nikki Collins, a young woman who witnesses a murder from her train window while arriving in New York City for the holidays, but struggles to convince the police after they dismiss her claims as a byproduct of her love for mystery novels. She enlists the help of a cynical mystery author to investigate the murder of a shipping tycoon, a case filled with family suspects, a mysterious club singer, and a peculiar white cat. The film combines tense mystery elements with musical numbers as she navigates a dangerous web of deception to uncover the truth.
You can watch the trailer or learn more about the film from Universal Noir or Katie at the Movies . 52 Code Films – #7: “Lady on a Train” from 1945 Lady on a Train(1945)