Vowing to make a fresh start, Sarah McAdams has come home to renovate the old Victorian mansion where she grew up. Her daughters, Jade and Gracie, aren't impressed by the rundown property on the shores of Oregon's wild Columbia River. As soon as they pull up the isolated drive, Sarah too is beset by uneasy memories -- of her cold, distant mother, of the half-sister who vanished without a trace, and of a long-ago night when Sarah was found on the widow's walk, feverish and delirious.