No one is going to accept again - S1.E1

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 and Marifer, who've been dating for a while, are going through a difficult time. She wants to have sex but he doesn't because he likes Rafa, a guy who works at his family's video store.