When a young woman's wicked boyfriend brings her to a Satanic ritual, she refuses to join the cult, so they deem her a traitor and seek brutal revenge.

A Marine patrol stops at Firebase Gloria at the start of the Tet Offensive during the Vietnam war. With the firebase attacked, the patrol remains to help defend it.

The Corruption of The System is given a swift lopsided kick by Vigilante Justice as a Disgraced Former Cop emerges from exile, automatic weapons blazing and mediocre martial arts akimbo, to bring down a murderous satanic cult headed by his former partner. His only allies? A boatload of swagger and one leggy blonde.

Scientists poison the water supply of a small town, turning the residents into homicidal maniacs who kill each other and anybody who passes through.

Mystery writer Sian Anderson leaves her boyfriend John for three weeks of intense writing in the isolated Greek town of Monemvassia. Upon her arrival in the ancient, deserted, walled-in fortress, she is met by Elias Appleby, the round eccentric landlord who guides her through mysterious underground passageways to the house where she will work. He warns her to stay inside at night because of the killer winds that arrive after dark.