Flynn and her friends plan to spend the night in Temple Fall, a mysterious house up on the moors with a strange history, but their planned night of drinking and teenage debauchery twists into a surreal nightmare. Suddenly forced into strange choices and places, the tight-knit group starts to fall apart. And then Jackson falls to his death.

In the days that come after, Flynn finds herself trapped, as if she never left the house. Consumed by the lost secrets of her family past, and haunted by the spectre of a Victorian woman, she finds herself losing time and seeing things that aren't there.

Reeling from the tragedy, Flynn must rebuild her group of friends, and bring them all together to grieve - and try to survive - on their own. Because while they escaped Temple Fall, the house didn't let them go...