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 parents were killed. 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.
A realtor finds himself accompanied by two ghostly entities inside a mansion. He learns of a violent event that took place years ago and is sent back in time to prevent it from happening.