Murder victims are being found with the hearts cut out. A police detective is assigned to find and stop the killer. Originally an episode of British horror anthology TV series, Hammer House of Horror, that later received a feature release in the United States.
| Actor | Role |
|---|---|
 Anthony ValentineCliff | Cliff |
 Suzanne DanielleNatalie | Natalie |
 Siân PhillipsMrs. Henska | Mrs. Henska |
 Barry StantonTony | Tony |
| MMatthew LongAndy | Andy |
| EEllis DalePolice Captain | Police Captain |
| JJonathan KentTadek | Tadek |
 Gary WaldhornBacharach | Bacharach |
 Jeffry WickhamEdgar | Edgar |
 William Morgan SheppardHospital Gardener | Hospital Gardener |
 Barry StokesFirst Victim | First Victim |
 Pierce BrosnanLast Victim | Last Victim |
| RRichard WrenChauffeur | Chauffeur |
| DDiane AdderleyPolice Woman | Police Woman |
| BBill Westley Sr.Sound Man | Sound Man |