When a revolver once owned by wild west outlaw Pistol Pete Robbins is stolen and a replica left in its place, wealthy gun collector Russ Timberlaine is afraid someone will commit a murder with it in order to frame him for the crime. Steve Winslow substitutes a third gun in its place. When the murder takes place, guess which gun did it!

Series Titles - The Baxter Trust, The Anonymous Client,The Underground Man, The Naked Typist, The Wrong Gun, The Innocent Woman