Rebecca finds a hidden diary in her new house, written by a girl who spoke to something that "whispered in the walls." Now, the same rituals are repeated, the whispers return every night... and Rebecca discovers that the girl never left.

Lewis investigates a town where the fog takes people. But what it drags into its mist isn't human... and he's seen it.

Bianca buys an antique mirror that traps souls. Her reflection moves on its own. Someone is living inside… and wants out.