Madrid 1990- A noble, spanish couple is found dead in their opulent residence. The sinister case is assigned to Martin Díaz (Agustín González), an atypical police inspector with an irregular record. Díaz, finds himself enmeshed in a fascinating and hostile new world. The truth becomes even more ambiguous as do the characters. Raúl (Juan Ribó), is a tormented and conflicted youth in love with Virginia (Ana Alvarez) daughter of the murdered couple, at once fragile and strong. Guillermo (Francisco Boas), her brother attracted to Raúl for his daring personality; Sánchez, the family administrator; Ramón, the butler… Even more characters come to life to confuse and divert Diaz from discovering the ghastly truth.