When a young woman named Alice moves to a new city, she learns about a series of disappearances that may be connected to a baffling rumor about mysterious staircases in the city's worst neighborhoods.

Alice treads the line between reality and madness as she becomes more deeply entangled with the Peach family and their dark history; Zoe begins to behave strangely 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.

Four friends learn that the No-End House is more than a haunted mansion when they confront strangely personal horrors in each room.

Margot and Jules deal with the presence of The Father as Seth and JT set off on their own terrifying paths; Dylan is on a secret mission to find someone close to him.

Margot flees The Father with the help of Jules, Seth and JT; Dylan attempts to deprogram Lacey; Jules falls deeper under the spell of a sinister influence.

The group faces the most dangerous part of House World as they search for the exit; with the Father in pursuit and shocking discoveries about each other revealed, tensions within the group simmer.

Margot, Jules, and Seth face new horror as The Father wreaks havoc in the real world.

Jules goes back inside the No-End House to rescue Margot, and together, they must finally deal with Seth and The Father to escape before it's too late.

Child psychologist Mike Painter investigates the 1988 murders of several children, including his twin brother, which may involve a children's TV show that has started airing again.

Marla agrees to help Mike investigate the murders; Marla is horrified to learn a secret about what happened in 1988 that's been hidden since that time.

Mike must convince Gary that Candle Cove is behind the murders before he takes justice into his own hands; Marla, Jessica, and Amy frantically search for Mike before it's too late.

Mike's daughter Lily mysteriously arrives in Iron Hill, leading to more information about the murders of 1988; Mike and Jessica take drastic measures to heal the past and protect Lily from Candle Cove.

Mike and Amy learn that the creator of Candle Cove isn't who they think he is; a brutal crime shocks the Iron Hill police force.

Mike prepares to confront Candle Cove and save his daughter Lily, while Marla is faced with making an impossible choice.