After summer vacation, the students of Like celebrate returning to school with a huge party that gets out of control. Antonia 'Tony' gets drunk and does not remember what happened until a compromising video of her surfaces at school.
Antonia finds out that Ulises was not the person who recorded her, but actually got her safely to her room. After she dedicates a song to him, they nearly kiss but are interrupted. Emilia discovers León is the son of a drug trafficker.
Tired of coming to her rescue, Emilia forces her daughter to take responsibility. Machu fears Silverio may have gotten her pregnant, so her mother encourages her to take a test. Manuela discovers who recorded Tony at the party.
Tony and Ulises become a couple, but rumors fly at school that they already had sex. León and Sole help Emilia take care of her daughter Martina. Gabriel and Isadora's teachers give a sexual education lesson.
Silverio's mother has serious depression because his father left. Machu plots revenge on Silverio for cheating on her by posting a picture of his mother to social media. Cláudio discovers Ulises used to be a delinquent.
Machu is crazy about León and goes to drastic lengths to have him. Jessica is in trouble for the videos she's posted online. Tony finds out her brother was accepted to a special ed program, while León helps Daniel achieve his dream.
Romi feels lonely and ignored by her family. When Santo Tomás risks her life to save her bird, Silverio rescues her. Tony takes Martin without warning. Ulises realizes that his father has been neglecting his ailing mother.
While drunk and jealous, Machu challenges Emilia to a rap battle. Manuela is desperate after someone steals her computer. Isadora seeks reconciliation with Gabriel. Tony's father finds out about Martín and demands a divorce.
On WhatsApp, Clara asks Tony to explain why she had an abortion. Ulises, seeing the conversation, demands his girlfriend explain why she kept it secret from him. Because of Pablo and Humberto, Victoria suspends all music classes at Like.
Abel visits LIKE to say goodbye to León. After encouragement from his brother, León finally kisses Machu. Ulises clarifies the truth about Antonia and her mother humiliates him in front of Claudio and his father.
Silverio urges Machu to leave León and kisses her. Machu rejects him, but doesn't see Kathy recording them. Ulises invites Tony to his house to for dinner, but the night doesn't go well. Chuy is fired from LIKE.
Tony's father forbids her from seeing Ulises. Kathy blackmails Machu. Emilia and Claudio get carried away by their hormones. Kathy tries to spend the night with Daniel, but things do not go as she expected.
Ulises and Tony have a fight over her posting memes about his mother to the internet, leading them to break up. Machu gets revenge on Daniel for rejecting Kathy. Silverio fears he will lose his place at school.
Tony and Ulises try to stay friends after their break-up. Jessica discovers Pablo's secret. Claudio tells Emilia he doesn't have romantic feelings for her because he is in love with Tony. Ulises steals from Clara.
Romina and Manuela get test results from the clinic that prove Romina has HPV. Humberto questions Victoria's decisions as a principal. León learns that Machu and Silverio kissed. Clara realizes Ulises committed theft while at her house.
Romina confesses that she lost her virginity to Pepe Toledo. Clara demands Ulises be expelled from Like for theft. Machu discovers that León is keeping secrets from her. Germán is happy to know that Claudio will go with Tony to Israel.
Tony, Machu, León, Silverio and other Like students arrive in Israel for study abroad. Thanks to Humberto's grudge against Gabriel, Claudio misses the trip. At Like, students organize a welcome party for the Israeli exchange students.
Claudio meets Martina, but Emilia doesn't tell him the truth about being her mother. Daniel seeks treatment in Israel. Claudio suspects Ulises stole his passport. Being in Israel moves Romi into considering religion.
Tony makes a new friend in Israel and someone takes photos of them together to make Claudio and Ulises jealous. Manuela is forced to reveal the truth about Daniel's illness. Thiago tells Jessica his secret.
Emilia is determined to fight for Claudio, but Jared tries to convince her otherwise with a kiss. A drunken Silverio falls off a boat, forcing Romi to save him. Ulises supports Claudio and gets him to admit to his drug addiction.
Daniel is devastated by the news that he is not a candidate for treatment in Israel. Romi discovers Pepe Toledo flirting with Jessica, but doesn't warn her about his STD diagnosis. Victoria proposes Gabo become the new principal of Like.
Students return from Israel. Tony confronts Emilia over a deleted message meant for Claudio. Romina warns Jessica about Pepe Toledo. Humberto becomes principal of Like and the students protest his new rules.
Keiko arrives at LIKE and Ulises is immediately taken with her. Maria Elena demands Machu end her relationship with León. Tony and Emilia come to blows. After a misunderstanding, Thiago steals a math exam.
Thiago helps Emilia not lose her scholarship by giving her the math exam answers. Jealous of Ulises and Keiko's friendship, Tony kisses Claudio in front of everyone. Gabriel gives Sole evidence that Luca is alive. Tony threatens Emilia.
Emilia, believing that Tony will reveal her secret to Claudio, boycotts Tony's dance. Ulises finds out about Tony and Claudio and, though it breaks his heart, wishes them the best. Silverio confronts Pepe Toledo.
Unintentionally, Tony causes a revolution at LIKE and the girls begin a silent strike to protest Humberto's rules. Thiago asks Pepe for advice. To get revenge, Tony reveals Emilia's secret to Claudio. Romina tells Pepe about her STD.
Romina suspects Keiko is a spy because she hides money and passports. Tony finds out that Claudio is addicted to pills. Pablo defends Manuela when she comes out as bisexual. Humberto refuses to let Ulises talk to his parents.
With the help of Emilia and Keiko, Ulises manages to escape LIKE to visit his mother. He arrives just in time to say goodbye before his mother dies. Manuela plans to help Pablo come out. Tony loses her virginity to Claudio.
Emilia, understanding his grief, comforts Ulises after his mother's death. Ulises wants to drop out to get a job, but Tony begs him to reconsider. The students humiliate Humberto by hiring firemen strippers.
Ulises is expelled after confronting Humberto. The students band together to pressure the school into firing Humberto and bringing Ulises back. Claudio demands Ulises to stay away from Tony. Rodolfo asks for help with alcoholism.
Victoria is reinstated as principal and welcomes Ulises back to school. Tony, thrilled at Ulises's return, nearly kisses him. Claudio seethes with jealousy. Machu finds out her mother wants to send her to Ireland.
A charity fundraiser is hosted at LIKE. Ulises's dad arrives drunk and reveals that Ulises spent time in jail. Claudio steals the charity money. León decides to break up with Machu to keep her parents from sending her to Ireland.
Tony discovers that the fundraiser money has been stolen. Lalo plants evidence that gets Ulises blamed for the theft. Claudio does not have the courage to admit his guilt. Keiko defends Daniel from wrestlers. Machu breaks up with León.
To get revenge on León, Machu kisses Silverio. Lalo threatens Claudio, so he confesses to Victoria that he was the one who stole the money. With her trip to Ireland imminent, Machu says goodbye to her friends.
León hosts a goodbye party for Machu. After wrestling classes begin at LIKE, Emilia and Machu face each other in the ring. Ulises asks Keiko to teach him wrestling tricks, during which she sneaks a kiss. Abel protects León.
After his father turns his back on him, Claudio could be sent to prison on drug charges. With Tony's help, Claudio gets enrolled in a juvenile rehab center. After a suicide attempt, Daniel reveals his illness to everyone at LIKE.
León accidentally overhears that Soledad is Machu's true birth mother. María Inés asks him to stay out of it, but León cannot keep such a vital secret from his girlfriend. Ulises and Emilia investigate if Lalo is dealing drugs at LIKE.