Repeat visits from an owl convince Paula in the gnome's reincarnation, Iván can't believe he killed a man, Fermin fights for his life while losing the paintings, the gang discovers a second door, and Saúl preps a new operative.

Martin and Lucas are getting used to living in the boarding school. Fermin is looking for Irene's baby. Hector has decided to sell one of the diamonds he found in the cave. Lucas makes friends with Paula and Evelyn.