The Boarding School: Las Cumbres

Las Cumbres Boarding School is an impenetrable fortress where students are subjected to strict discipline, and it seems impossible to escape; however, two students manage to run into the woods one night, and things take a turn for the worse.

Amaia is found in the woods and taken back to the school; there, she becomes obsessed with convincing Paul and his friends of what she saw and reporting it; they find drawings of men wearing bird-like masks that confirm Amaia's story.

Adéle tells Alba's secrets; Darío takes his daughter Inés home, where she has very strange visions; an unexpected postcard from Manuel discredits Amaia's story about his disappearance; the students organize a secret party.

Adéle blames Amaia for the party; Paul and Amaia take Paz and Eric to see a mysterious painting with crow-men, but they find something terrifying instead; Inés undergoes treatment and takes pills that give her hallucinations.

Amaia discovers a supernatural tie between her and Inés; Elías feels guilty after what happened with Elvira; Paul finds something in his cell that makes him suspect the friar; Paul and Amaia follow a clue to find the Crow's Nest.

Amaia and Paul manage to find the Crow's Nest; Inés wakes up confused in the middle of the woods; Eric suffers another episode of memory loss; Elías notices some strange behaviors, which raises his suspicions.