While watching from her train window, Nikki Collins witnesses a murder in a nearby building. When she alerts the police, they think she has read one too many mystery novels. She then enlists a popular mystery writer to help her solve the crime on her own, but her sleuthing attracts the attentions of suitors and killers.

• Universal Pictures
• Deanna Durbin
• Ralph Bellamy
• David Bruce
• George Coulouris
• Allen Jenkins
• Dan Duryea
• Edward Everett Horton
• Patricia Morison