Emma, John, and Mari Collingwood head out on vacation to their summer lake house. Shortly after arriving, Mari borrows the family car and drives into town to spend time with her friend Paige. While Paige is working the cash register at a local store, she and Mari meet Justin, a teenager passing through the town. Justin invites them both back to his hotel room to smoke some weed. After kidnapping and ruthlessly assaulting the two girls, Justin's father...

On the Texas-Mexico border, eighteen-year-old Grace's relationship with her older sister Mercy is fractured when Mercy's two-year-old son dies in an accident, bringing to the surface old family traumas and literal ghosts as the family struggles to heal.