Slumber Party Massacre III 1990

It's driller time... And this bits for you!

Directed by Sally Mattison

After a hard day of volleyball at the beach, a teen whose parents are away decides to have a slumber party with her girlfriends. Their boyfriends predictably show up to scare them, but a stranger from the beach is also seen lurking around the house. Soon the group begins experiencing an attrition problem.