During a bachelorette party in a secluded California farmhouse, masked intruders launch a brutal attack, forcing eight women to fight for survival. Led by Tess, a troubled military veteran, they unite to defend themselves throughout a harrowing night.

A young woman arrives at her grandmother's house, which used to be a funeral home, to help her turn the place into a bed-and-breakfast inn. After they open, however, guests begin disappearing or turning up dead.