1 season available
When a young woman named Alice and her sister, Zoe, move to a new city, they discover a mystery involving staircases.
Alice receives a sinister invitation from the Peach family; Zoe begins to behave bizarrely following her unexplained return to Garrett.
Alice has a terrifying encounter in an abandoned hospital; Luke, Louise and Nathan play cat-and-mouse with Robert Peach.
Alice confronts her own incipient madness while Zoe eats with the Peaches.
Zoe discovers there's something else living in the summer house; Alice reaches the point of no return.
Zoe and Alice confront the Peach family.