Olivia is on a singular mission to be with Marcus and nothing will stand in her way. She and Wallace follow him - straight into the Piper's lair.

Lost in the maze-like tunnels leading to the Piper's lair, Olivia and Wallace continue their search for Marcus and the others. But they're not alone in the dark...the Piper's children are hunting them too. Can the sound of Olivia's voice lure out the good that is left?

Determined to keep her promise to be with Marcus, Olivia confronts the Kinderfanger in his lair. Even if any of them can survive the battle, will the Piper's spell be broken?