Aspiring screenwriter Herbert Simms submits his first teleplay to producer Charlie Corby who tries to use the manuscript as his own. Corby's scheme comes a cropper when he gets fatally whacked over the head with a whiskey bottle after a party. Herbert happens to be in the wrong place at the wrong time and is seen running from the scene of the crime. Guess who gets arrested for murder?

Investigating the "other woman" in a betrothed man's life, Mason finds himself neck-deep in a murder mystery.