Cartoonist Pete Manders is elated when the owner of the comic strip "Zingy" offers to sell him the strip for a song. Pete is less than elated when he learns that his girlfriend Leslie is running away to Europe with Gabe Phillips, the strip owner. When Phiilips is murdered, Pete is charged with the crime and retains Perry's services. Investigating the case, Perry soon discovers that the deceased Phillips was leading a double life.