Why Do You Kill

The Addams Family goes on a search for their relatives. Gomez and Morticia are horrified to discover that Grandpa and Grandma Addams have a disease that is slowly turning them "normal". The only chance they have of a cure is to find a family member hoping that they know a home remedy.

A San Francisco doctor encounters a prostitute who bears a striking resemblance to his late wife.

A maniac on the loose is committing savage acts of slaughter, and one survivor may be the only key to unmasking the serial slayer known as the Half-Moon Killer. The mysterious half-moon lockets he leaves with his victims could be the only key to unraveling his sinister motives, but will that be enough before he completes his ice-cold plot to claim his intended seven victims?

Diana, a high-class prostitute trying to escape from a serial killer, suffers a car accident that leaves her blind and kills the family of Chin, a ten-year-old boy.

An elderly heiress is killed by her husband who wants control of her fortunes. What ensues is an all-out murder spree as relatives and friends attempt to reduce the inheritance playing field, complicated by some teenagers who decide to camp out in a dilapidated building on the estate.