Héctor goes through one of the toughest moments in his life when he finds the dead body of one of the missing students; Elsa takes a decision as regards her pregnancy.

Mateo, a new Maths teacher, starts working at the boarding school and confronts Amelia; one of the students leaves a clue in his cell phone before dying.

After Jacinta is discharged from hospital, she decides to return to Laguna Negra, but everything has changed; Héctor is no longer the principal and Elsa has step in for him.

Elsa and Héctor learn she is expecting identical twins; the news brings bad memories to Jacinta; all the students seize the opportunity to escape from the boarding school, except Paula, Marcos and Carolina.

After his mother died, Jacinta's grandson moves with her; Elsa believes Jacinta can answer all her doubts about her past, but she also knows now is not the right time for questions.

Iván receives a letter from his cousin in which she tells him the truth about his past; Carolina gets terrible news: her mother is in hospital.