Laura, a Spanish woman living in Buenos Aires, returns to her hometown outside Madrid with her Argentinian husband and children. However, the trip is upset by unexpected events that bring secrets into the open.

The story of Ramon Mercader, the man who was hired by Stalin to murder Leon Trotsky at Mexico City.

Living with her tyrannical stepfather in a new home with her pregnant mother, 10-year-old Ofelia feels alone until she explores a decaying labyrinth guarded by a mysterious faun who claims to know her destiny. If she wishes to return to her real father, Ofelia must complete three terrifying tasks.