There's a newcomer at school, Memo. The only ones who take pity on him are a group of knowledge traffickers who sell assignments and homework. The group is in the middle of a small crisis

Alex hangs out with Rafa, and his relationship with Marifer wavers. At school, the bullies go after Memo, and Alex stops selling them “merchandise." Diego, extremely popular, makes sure no one buys homework from them

Ilse, the English teacher, wants the class to write about their childhood. Marifer and Memo are in charge of the homework papers, but Marifer is only focused on Alex and Rafa. Memo convinces Alex to be honest, and Marifer breaks up with him

The gang goes to a party. Marifer gets drunk and flirts with Lalo, a skateboarder. Alex avoids his snobbish ex-friends

The school wonders if Alex is gay. Marifer is treated as the resentful girlfriend, so she flees to Lalo. Tenoch wants Daniela to choose between Diego and the business

The only ones left in the business are Tenoch and Memo. Daniela is their new competition. Also, teacher Ilse wants them to stop

Memo learns he will move to the USA. He invites Alex, Tenoch, Marifer, and Daniela to his house. The relationship between everyone is tense, but Memo brings out his karaoke machine, and they start having a good time

Memo killed himself. Alex breaks down at school. Everyone says they feel bad for Memo, but no one will miss him