When television producers approached Alan Cumming to appear on a popular celebrity genealogy show, he hoped to solve the mystery of his maternal grandfather's disappearance that had long cast a shadow over his family. But this was not the only mystery laid before Alan. Alan grew up in the grip of a man who held his family hostage, someone who meted out violence with a frightening ease, who waged a silent war with himself that sometimes spilled over onto everyone around him. That man was Alex Cumming, Alan's father, whom Alan had not seen or spoken to for more than a decade when he reconnected just before filming for Who Do You Think You Are? began. He had a secret he had to share, one that would shock his son to his very core and set into motion a journey that would change Alan's life forever.

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