With a blizzard closing in, Mike Sullivan defies his wife's anxious warnings and takes their six-year-old daughter Sarah sledding. Mike waits at the bottom of a precariously steep hill as stubbornly independent Sarah races up the slope with a friend. But she never comes back down.

Mike now lives out every parent's worst nightmare. His daughter has vanished. His marriage is falling apart. And investigators are unable to pin their only suspect, a local defrocked priest, with any crime. But is the key to Sarah's disappearance hidden in the turmoil and despair that is burying Mike alive? Or is it in his family's troubled past? One person holds the terrifying secret....