Few in sleepy Sumner's Mills have stumbled across the Octagon House hidden deep in the woods. Even fewer are brave enough to trespass. A man had killed his wife and two young daughters there, a shocking, gruesome crime that the sleepy upstate New York town tried to bury. One summer night, an emboldened fourteen-year-old Clare and her best friend, Abby, ventured into the Octagon House. Clare came out, but a piece of Abby never did.

Twenty years later, Clare receives word that Abby has attempted suicide at the Octagon House and now lies in a coma. With little to lose, Clare returns to her roots to uncover the darkness responsible for ruining their lives.

A "spellbinding horror story, where the terror comes not from ghosts, but from the haunted places we find within ourselves" (Elizabeth Brundage, author of The Vanishing Point), Beneath the Stairs is perfect for fans of Jennifer McMahon, Simone St. James, and Chris Bohjalian.