Someone's Knocking at the Door

A posh couple experience car trouble on their way to a villa party and stop into a local mechanic's shop for assistance, unaware of his shady background. After he and his mentally challenged assistant fix the car, the couple invite them to the party to return the favor, leading to an evening of mayhem.

A young man who works at a nursing home uses the legendary Zodiac killer's M.O. to kill people who neglect their elderly relatives.

Veteran Boogey Man and Zodiac Killer director Ulli Lommel continues his long tradition of delivering tense thrills with this relentless look at the life of the elusive, Kansas-based serial killer known to authorities only as "B.T.K." before his arrest...

A cop goes after a psycho who is killing cocktail waitresses.

Based on a true story of serial killer a model citizen, loving father and husband and serial killer John Wayne Gacy, a man with over 30 dead men and boys entombed in the crawl space underneath his house which he shared with his family.

An ex-convict, troubled by dreams that he strangles women, is hired as the caretaker on an estate owned by three very strange sisters. Soon after his arrival, a serial killer begins slaughtering blonde, blue-eyed women - and leaving their eyeballs in a bowl of water.

A killer is cleaning up the streets of Milan by murdering those considered as deviant. An ornamental dragonfly, soaked in the blood of the victim, is left on each body.

A plastic surgeon and his nurse join a bizarre circus to escape from the police. Here he befriends deformed women and transforms them for his "Temple of Beauty". However, when they threaten to leave, they meet with mysterious accidents.

Billy Chapman, who was traumatized by his parents' Christmas Eve murder, then brutalized by sadistic orphanage nuns, grows up to dress as jolly St. Nick for a yuletide rampage to punish the naughty.

After the death of a high school track star during a race, a mysterious killer in a fencing mask begins murdering her friends and teachers.

A newsman works with a blind puzzle-solver to uncover a deadly conspiracy linked to a genetic research facility.