Impulse

It took Peggy Heller a long time to recover from the trauma of a brutal physical assault, suffered in her youth. When she married Robert, he provided her with the love and reassurance she craved for and the two settled down in a pretty house in the grounds of the public school where Robert was a master. But the headmaster of the school is not what he seems and Peggy is convinced he means to harm her - is her fear a figment of her tortured imagination or are there forces at work that intend to manipulate her anxieties with fatal consequences?

Two couples vacationing together in an R.V. from Texas to Colorado are terrorized after they witness a murder during a Satanic ritual.

A woman recovering from a nervous breakdown tries to convince her husband and and the local London police that she has witnessed a murder in the abandoned house next door.

A routine investigation of a shocking murder takes a bizarre twist when the killer contacts the reporter and appoints him his personal spokesman. As the killer's calls and clues increase, the reporter is lured into a deadly trap.

A family moves into a large old mansion in the countryside which seems to have a mysterious and sinister power over its new residents.

A frustrated, angry teenage girl awakens something in the woods when she naively performs an occult ritual to invoke a witch to kill her mother.