An architect is plagued by a series of mysterious accidents after arriving in L.A. to design an eccentric client's home.

Welcome to lush Dinosaur Island, where a tribe of gorgeous cavedwelling warrior women satisfy the exotic fantasies of five downed military airmen. Fearsome battles with the island's ferocious maneating dinosaurs are the only disruption of their seductive pleasures on this island paradise. Narrowly surviving with their lives, the rugged men fall under the seductive spell of their lovely captors and soon find their every dream fulfilled.

Five college women buy the old Hokstedter place for their new sorority house. They got it cheap because of the bloody incidents from five years before. They decide to stay in it for the night so they can meet the movers in the morning, but begin to get the creeps when the weird neighbor Orville Ketchum starts poking around. Shortly after the women take showers and consult a Ouija board they begin experiencing an attrition problem.

While doing the inventory for a lingerie outlet in a high rise office building, five attractive women are terrorized by a series of bizarre killings. They suspect that the strange janitor, who witnessed another series of killings six months previously, is at the bottom of the whole thing. Little do they know the real horror that they face in the end.

FBI agent Max Reed witnesses Dr. Tetsu Segawa - a researcher for the mysterious Chronos Corporation - being murdered. Dr. Segawa had stolen an alien device known as "The Guyver" from Chronos. College student Sean Barker, whose girlfriend's father was Dr. Segawa, finds the Guyver's hiding spot while watching the forensic team investigating the crime scene.