A writer investigating the execution of a serial killer known as "The Haymarket Strangler" 20 years previously begins to suspect that the wrong man might have been hanged. However, when he picks up a scalpel used by the murderer, he finds himself possessed by the killer's spirit and begins to commit similar murders.
The Haunted Strangler
A researcher investigating a notorious serial killer who was hanged 20 years earlier seemingly becomes possessed by the long dead strangler.