The power struggle between Kevin and Leo continues as their parents attempt to go out for the evening, leaving their sister in charge.

The time has come to present their natural science project in front of their class, and Kevin and Fede have yet to even begin.

During some sleepless nights, Kevin contemplates the complexity of the universe— as well as his relationship with his brother.

After ditching his accordion recital to play soccer, Kevin must face his father.

In the conclusion to her interview with the team at the radio show Tu Voz Estéreo [Your Stereo Voice], in the wake of some tragic events involving her friend Mariana and Mariana's boyfriend's mentally disturbed mother, Paola offers an update as to the fates of both.

In order to keep his spot on the soccer team, Kevin must quit his accordion lessons and simultaneously risk disappointing his father. What will he decide?

As Doris flees from the police, they enter her home to find a wounded Mariana and a chemical stench in the air.

Doris discovers that the police are outside her home and attempts to flee with her son.

When the police finally arrive, a hysterical Paola implores them to enter the home of Doris and her son Sebastián as soon as possible to find out what has happened to her best friend Mariana.

Kevin has won his father over by telling him he shares his love for vallenato music. Unfortunately, however, it isn't true, and now he must deal with some unexpected consequences.

Suspecting that her friend Mariana is in danger at the hand's of her boyfriend's mother inside their home, Paola wants to enter as soon as possible to find out what's going on. However, the help she has enlisted from the hosts of the radio show Tu Voz Estéreo [Your Stereo Voice] inform her that they must obtain authorization from the police in order to enter the home.

In a weak moment and much to his family's chagrin, Kevin takes sides with his father during an argument.

The team from the "Tu Voz Estéreo" [Your Stereo Voice] radio show has finally arrived to help Paola figure out what has happened to her friend Mariana inside the home of her boyfriend and his crazy mother. However, no one can imagine the horrors that Mariana is enduring.

Paola has called the radio show "Tu Voz Estéreo" [Your Stereo Voice] for assistance with her friend Mariana's potentially precarious situation inside her boyfriend's crazy mother's house, and the hosts arrive in no time to help out.

Paola begins to suspect that something bad might be happening to her best friend Mariana and calls the radio show "Tu Voz Estéreo" [Your Stereo Voice] for help.