King has tenderly staked out a territory for his wife and three daughters, Grace, Lia, and Sky. He has lain the barbed wire; he has anchored the buoys in the water; he has marked out a clear message: Do not enter. Or viewed from another angle: Not safe to leave. Here women are protected from the chaos and violence of men on the mainland. The cult-like rituals and therapies they endure fortify them from the spreading toxicity of a degrading world.
But when their father, the only man they’ve ever seen, disappears, they retreat further inward until the day two men and a boy wash ashore. Over the span of one blistering hot week, a psychological cat-and-mouse game plays out. Sexual tensions and sibling rivalries flare as the sisters confront the amorphous threat the strangers represent. Can they survive the men?