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.

In the harsh post-war years’ Catalan countryside, Andreu, a child that belongs to the losing side, finds the corpses of a man and his son in the forest. The authorities want his father to be made responsible of the deaths, but Andreu tries to help his father by finding out who truly killed them. In this search, Andreu develops a moral consciousness against a world of adults fed by lies. In order to survive, he betrays his own roots and ends up finding out the monster that lives within him.

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.