Slumber Party Massacre II

Courtney Bates, the younger sister of Valerie, and her friends go to their condo for a weekend getaway, but Courtney can't get rid of the haunting feeling that a supernatural rockabilly driller killer is coming to murder them all.

Slumber Party Massacre II is a 1987 slasher film directed by Deborah Brock, produced by Roger Corman, and starring Crystal Bernard. As a loosely-based sequel to The Slumber Party Massacre, the film follows an adult Courtney, from the first film, as she and her friends in a rock band are attacked by a supernatural killer with a power-drilled guitar.