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. Follows Iraqi war veteran Tess, as she prepares to strike back after a group of home invaders attack during her sister's bachelorette party, and she discovers that they are hellbent on not leaving any witnesses behind.