León returns to Buenos Aires after running away from home. He is reunited with Rafaela and Andy, his childhood friends. They go to a rap battle and León, blown away by it, wants to compete.

León meets Elche, who helps him with his rhymes. Andy has a job interview but is nervous about how he might come across. Rafaela finds out León enrolled her in the circuit and tells him off.

Rafaela and León are accepted to compete in the underground circuit and the attraction between them grows. Trama invites León to train with him. The first battle approaches and León struggles to get there in time.

Moro comes on to Andy while they are working together, León and Rafaela grow closer together. The day of the second battle arrives, and León has a hard time getting there.

Andy grows more and more uncomfortable around Moro. Rafaela declines a date with León when she finds out that Andy has feelings for him. León gets to the end of the third battle. Andy asks him out, but he doesn't show.

León finds out that Matías is being threatened by people he owes money to. Moro holds Andy back in the office and things take an awful turn. It's the day of the last battle and Rafaela and León share a passionate kiss.

León and Rafaela share an intimate moment. The NET Series arrives, and they have to compete against each other. Rafaela confesses to León that she is moving to Mexico to be with Killer. Andy's situation gets worse.

Rafaela confronts Killer and moves back home and takes Kiran with her. León asks for Andy's help with a video. Rafaela finds León but he seems distant.

Killer convinces the jury to eliminate Rafaela, but she is still a substitute for the Masters Cup. León steps down so that Rafaela can compete against Killer. Rafaela and León grow closer together.