Clare and Dorran are trying to secure the old family estate against the hungry mutants that have taken over the secret passages of the house, hoping to buy themselves at least a moment of peace. Their hopes are quickly dashed when Clare receives a call on the radio from her sister Bethany. She is alive but trapped in her bunker, and her oxygen is running out. They are separated by hundreds of kilometers, and the landscape between them is dominated by bloodthirsty, deformed monsters. Clare must choose between the relative safety of Winterbourne and a path that neither of them may survive. But when she decides to stay, she becomes merely a powerless witness to her sister's slow death. Whatever she decides, she can count on Dorran always standing by her side. The dark world around them is full of secrets, and the gaunt monsters are waiting for their opportunity. One wrong step is all it takes...
