In an Edinburgh cellar, two gunshots ring out. Across town, Max McCall is released from prison. These two events gradually converge as Max tries to rebuild his life, while new arrival Erin is trying to save hers.
Left alone for the night in their new orchard farmhouse, three teenage sisters soon find themselves at the mercy of some unscrupulous townie boys. The tables are turned, however, when the malevolence that roams the orchard starts to hunt down the boys.