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Can you hear his song? Olivia, a hard-of-hearing/deaf teacher, searches for a missing student after the disappearances of several other children.

Olivia isn't the only one hunting for the missing children. A break-in at her work redoubles her curiosity and a mysterious book may hold answers.

The search for the missing children continues when Olivia meets Wallace - is he an enemy or an ally? Could the legend of the Pied Piper be true?

When Olivia's best friend goes missing, she and Wallace team up to put together the pieces of the puzzle. Olivia realizes she can hear something no one else can - even without her hearing aids. Could it be the Piper's song?

Painful memories threaten to shut down Olivia's search for the missing children and now - her best friend. Can she overcome them in time to save Wallace from the trap he's walking into?

Realizing Olivia can communicate with the possessed children, she and Wallace come up with a plan to rescue Marcus. Can they reach him before it's too late?

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?

With nothing left to lose, Olivia takes her life into her own hands, and the Piper's song plays again as the cycle begins anew.