I Love Trouble (1948)

A wealthy man hires a detective to investigate his wife's past. The detective (Franchot Tone) discovers that the wife had been a dancer and left her home town with an actor. The latter is killed before he can talk, but, with the help of a showgirl, the detective learns that the wife had used stolen papers from a girl friend to enter college after she had stolen $40,000 from the night club where she worked. The detective eventually learns that the husband had killed his wife when he discovered her past in order to avoid a scandal, and had hired the detective to try and frame him for the killing.