Héctor and Julia continue to close in on the answer to the question of why the decontamination company has been hunting down five of its workers who fled from their corporate apartments just before the first killing.

• Jorge Sánchez-Cabezudo
• Alberto Sánchez-Cabezudo
• Laura Sarmiento

• Carlos Bardem
• Sergio Peris-Mencheta
• Álvaro Cervantes