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.

After escaping a calamitous train crash, Ethan realizes The Entity is stashed aboard an old Russian submarine, but a foe from his past named Gabriel is also on the trail.