After a wealthy businessman's wife is murdered by an unknown assailant, his advisors suggest that he go into hiding at a shuttered hotel; taking along his mistress, he is soon besieged by supernatural visions which seem to be drawing him into the hotel's own dark and murderous past.

At the American Computer Chess Convention, enthusiasts gather to pit their programs against other computer chess programs and human players in a tournament for a grand prize of $7500.

Two fraternity pledges go to a sleazy bar in search of a stripper for their college friends, unaware it is occupied by vampires.

In a polluted future Venice researchers work to improve the situation. One day, unknown forces start killing them. A team of soldiers and a couple of civilians is sent to investigate. Soon, they encounter strange murderous creatures.

The citizens of Comet Valley are being taken over by seeds from an alien plant that has taken root there. A sheriff investigates the strange goings-on.

A band of female police cadets train to join the Hollywood vice squad. The toothsome rookies are assigned to infiltrate a kiddy porn operation, then must go undercover and join a prostitution ring run by Queen Bee.