On a frigid winter morning near her cabin, Ava Galbraith’s four-year-old daughter vanishes without a trace in the snow. Local sheriff, Mallory Anderson, focuses his initial investigation on Ava and her estranged husband, Gordon, embroiled in a bitter custody battle. But when Ava receives a ransom demand for half-a-million dollars, the race to find four-year-old Melanie takes on a more ominous tone. With the FBI on board, disturbing secrets begin to emerge connecting both Ava and her husband to a murky past. A remote cabin in the woods may hold some desperately needed answers, but time is ticking down to complete the ransom drop-off and save Melanie from the one person who wants her dead.