Veteran crime journalist Jesús Expósito is assigned a new partner, young Clara López, who has just arrived from London. Their first case together is the finding of a woman's disfigured body not far from Torrejón Air Base.
Clara and Expósito deal with events of their past while they cover the case of a city hall worker who was stabbed by a man armed with a wooden stake for no apparent reason.
'El Caso' investigates the finding of two unidentified charred bodies in a cemetery crypt that the government seems especially interested in keeping out of the papers.