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The Davison family comes under attack from a terrifying group of sadistic murderers during a family reunion getaway. Barricaded in their secluded vacation home, they fight off a barrage of axes, crossbows, and machetes from both inside and outside the house. However, the masked killers didn’t count on Erin (Vinson), the young girlfriend of the eldest Davison son whose mysterious past has made her very difficult to kill. (official distributor synopsis)