Fourteen years have passed since Emma Palmer and her sisters, Juliette and Daphne, abandoned their home in Arden Hills, the site of their parents' unsolved murders. Compelled by a pregnancy and her husband's recent unemployment, Emma is forced to confront the haunting memories of that terrible night. With the house still in their possession, Emma's return sets off a chain of events that pull the sisters back together. As old wounds reopen and family ties are tested, a series of enigmatic clues emerge, prompting Emma to question her choices and the secrets kept since that fateful whisper, "No one can know." In a community where the past looms large, the Palmer sisters grapple with truth and consequences in a quest to unearth a history that someone is desperate to keep buried.