The young daughter of a journalist disappears into the desert without a trace—eight years later, the broken family is shocked when she is returned to them, as what should be a joyful reunion turns into a living nightmare.

Trying to escape her broken past, Sarah O’Neill is building a new life on the fringes of a backwood rural town with her young son Chris. A terrifying encounter with a mysterious neighbour shatters her fragile security, throwing Sarah into a spiralling nightmare of paranoia and mistrust, as she tries to uncover if the disturbing changes in her little boy are connected to an ominous sinkhole buried deep in the forest that borders their home.

A reunion between two estranged sisters gets cut short by the rise of flesh-possessing demons, thrusting them into a primal battle for survival as they face the most nightmarish version of family imaginable.