Romance throws a spanner into the works of a con game in this light drama. Donald Free (William Powell) is a private detective whose career in on the skids. Dan Hogan (Arthur Holh) is another, less scrupulous shamus who persuades Free to help him frame Janet Reynolds (Margaret Lindsay), a wealthy woman with a taste for gambling living in Paris. Free goes along with the scheme, but things become complicated when he begins falling in love with her.