A group of teenagers set up the annual Halloween's Haunted House exhibit. Teen Ape finds himself a large breasted lover, but the gang accidentally wake up The Destroyer - an ancient evil god that takes out its deadly wrath on the gang.

High-schooler Steffon learns his late grandfather has bequeathed his stately manor to him, to keep or to sell. The lucky teen gathers his friends and heads on over for a wild weekend party. After meeting the live-in staff and settling in, a series of mysterious murders happen. But who is the culprit? Will any of the gang survive long enough to find out?