Samantha Gillingham was bought up in a middle class family but her world was turned upside down when her father Russell moved his mistress into the family home. A year later Sam’s mother Carole disappeared, apparently unable to remain in the marriage. Ten years later, Sam’s received news that her father Russell was missing presumed dead after falling overboard from a yacht in Guernsey, leaving her devastated. However, when detectives discovered Russell alive and well, they started to unravel a darker truth about the family’s past and the mystery surrounding Carole’s disappearance.