A group of teenagers hold a party in a cemetery. Several of the teens turn into evil and ugly demonic creatures after being attacked by a hideous monster in said cemetery. The possessed kids go after the other teens who are still normal. Will any of them manage to remain human?

The Dead of Night

Will is a hippie college student who finds himself in the middle of a battle between vampires and a group of warlocks called Sentries; but when he's bitten by a seductive vampire he's forced to come to terms with his new state of being