Marina has been kidnapped by the killer but manages to escape, though in her escape she is badly hurt. With Pablo's help, Héctor discovers the identity of the artist behind the picture of the House of Water, and they decide to seek him out to ask about the killer's identity.

• Gema R. Neira
• Ramón Campos
• Teresa Fernández-Valdés

• Pablo Molinero
• Sara Sanz
• Andrés Velencoso