Guillermo del Toro presents Mama, a supernatural thriller that tells the haunting tale of two little girls who disappeared into the woods the day that their mother was murdered. When they are rescued years later and begin a new life, they find that someone or something still wants to come tuck them in at night. The day their father killed their mother, sisters Victoria and Lilly vanished near their suburban neighborhood. For five long years, their Uncle Lucas (Nikolaj Coster-Waldau) and hisgirlfriend, Annabel (Jessica Chastain), have been madly searching for them. But when, incredibly, the kids are found alive in a decrepit cabin, the couple wonders if the girls are the only guests they have welcomed into their home.