Set against the dramatic backdrop of the Spanish Holy Week celebrations, two policewomen try to solve a series of crimes in the Andalusian town of Morón de la Frontera, in the political and cultural region of Seville’s so-called 'deep Spain', which is home to one of the biggest international U.S. military bases.

Explores the Spanish origins of the character's story, where he is a tuberculosis patient from Almeria who will do anything to get well, even consuming the blood of the kids he kidnaps in a sack.