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With his career and life in ruins, Tom Ronstadt returns to his hometown, where he finds his estranged father now in the grip of Alzheimer's. As Tom struggles to adapt to the place he once knew as home, he begins to unravel the mystery from his childhood that drove him away all those years ago.

As Sam's behaviour becomes more erratic, Tom steps up his investigation into Metzler. But will Tom's quest for the truth put both him and Sam in danger?

A shock revelation leads Nancy to help with Tom's search for answers. But the truth of what Sam has been hiding for all these years will change both of them forever.