Inspector Hanaud is asked to investigate a murder in which a young woman is accused of killing her wealthy employer in a Riviera mansion and then running away. She is innocent, but the villain is able to make her seem guilty. Hanaud uncovers the truth, that the murder was the result of a jewel robbery gone wrong.
Manora Thew
as Celia Harland
Langhorn Burton
as Harry Weathermill
Teddy Arundell
as Insp. Hanaud
Norman Page
as Julius Ricardo