Tomás, an 11-year-old boy living in his own fantasy world, must use his vast monster knowledge to fight against his new English teacher: a wicked woman who is, in fact, a child-eating monster.
20 years after her husband's death, a woman keeps more than just his memory alive. Needing help at home, she takes in a student, but soon detects a risk of losing her husband to the girl. Does the girl have even a ghost of a chance?