18-year-old Bel has lived her whole life in the shadow of her mom's mysterious disappearance. Sixteen years ago, Rachel Price vanished and young Bel was the only witness. Rachel is gone, presumed dead. The case is dragged up from the past when the Price family agree to a true crime documentary. Bel can't wait for filming to end, for life to go back to normal. But then Rachel Price reappears, and life will never be normal again ...