Tragedy strikes a quiet Dorset town when the bodies of Sarah and Charles Drummond are discovered in their home one morning while their two young children, Abby and Mia, sleep upstairs. The police seem certain that Charles killed his wife before taking his own life, and the girls' grandmother, Cicely Fairfax, makes sure that they are shielded from the horrific truth. Until now. Sixteen years later, an accident at work leads Mia to have disturbing flashbacks to the night her parents met their untimely deaths. What did she see? What really happened that fateful evening? When Mia and Abby eventually share painful memories from the night that changed their lives forever, they get closer to uncovering the truth, and a dark secret from the past is finally revealed . . .