Carlos Valdivia arrives as a substitute teacher at a school for at-risk youth after spending three months in prison for bankrupting his company.

Carlos is accused of harassing Flavia due to a misunderstanding. Maicol gets involved with Claudio and El Hámster, two criminals who offer him work.

Flavia reveals to Claudio that she’s pregnant. Zafrada tries to sell drugs at school. Ana wants to end her relationship with Francisco.

arlos and Francisco’s relationship gets complicated after Carlos’ interest in Ana is revealed. Claudio refuses to support Flavia. Maicol is arrested.

The students organize a protest and the school dean plans to get rid of the director. Maicol gains Claudio’s trust.

Francisco remains in his position after the director is fired, but he suffers a loss in his personal life.

Berta leaves school and starts a relationship. Flavia has problems with her pregnancy. Little by little, Maicol wants to start studying.

Maicol and Flavia throw Toya a party. Francisco accepts money to help cover up embezzlement. Claudio and El Hámster are arrested in a raid.

Maicol asks for Carlos’ help to hide him and his sister after Claudio is captured. Francisco tries to win back Ana.

Carlos starts to work with Rosario at the stock market. Francisco gets more and more involved with Jorquera.

The students sue the school for negligence, which sets off other accusations. Carlos helps his sister with accounting.

Jorquera is accused of misappropriating funds and Francisco decides to flee. Maicol and his sister Toya are going to live in Calama with their mother.

The school has a new administration. Peruvian students arrive and experience discrimination. Claudio starts back at his old job.

Carlos tries to defend Víctor and asks Maicol for help. Professor Ana resigns. Maicol is attacked when delivering Claudio’s drugs.

Carlos meets back up with Lucía, who turns out to be Gerardo Munizaga’s mother. Claudio threatens Maicol because he wants him to stop working for him.

The study level assessment workshops are beginning and Claudio sends El Hámster to school. Maicol watches Arturo.

Carlos secretly begins a relationship. Maicol discovers what Arturo did and decides to leave the house.

Maicol gets a job to take care of his sister. Carlos asks Claudio for help after a shoot-out at the school. Flavia looks for her father.

Carlos helps Claudio with his accounting papers. Maicol takes extreme measures to get money for his sister.

Carlos discovers who stole Rosario’s jewels. Maicol’s mother decides to inform on her partner. The students find out about Jorquera’s new company.

The students get money to help Jenny. Flavia gives all her savings to her father.

Ariel is arrested in the middle of a march for education. Gerardo’s mother is beginning to worry about his actions.

Almost all of the students finish the school year. Gerardo brutally punches Víctor. Maicol informs on Arturo, who is then arrested.

The police discover and arrest Gerardo. Zafrada manages to get a national score in math. Carlos thinks about working with Nieves at a new school.