Felix Martin plays Simon Templar, alias The Saint. Yes, a rarely-seen Saint movie. This scary gem takes place in and about an eerie country mansion and local cemetery. A playboy is threatened with death. He hires a detective to protect him. Terrifying things soon happen. The sinister shadow of an unknown killer prowls the grounds in the black of the night. Things eventually end up in a local graveyard where our hero is sealed within a cement tomb!