Merlí. Sapere Aude

Poll starts to study philosophy to be the new Merli. Bruno is still in love with. Pol makes new friends in the faculty. Pol also meets his new professor "Maria Bolaño" who is destined to change his life forever.

Pol and his father receive a gift postmortem from Merli: A book collection. Pol cheers up a friend. In the faculty, Bolaños puts pressure on Pol to read more and write better. Pol's friendship with Rai leads to a discovery.

Bolaño makes an exercise that humiliates Pol. The group of the faculty makes a party in Minerva's' home where things are about to get messy.

There's a protest in the faculty but Bolaños decide to ignore it. Pol and Rai go to class and this will bring some feuds between his others classmates. Bruno is mad with Pol for being distant.

The group of the faculty makes a party in Minerva's house which brings problems between Bruno and Pol. Bolaño has problems with her addiction and Pol tries a move with Rai.

Pol and his dad have a discussion. Rai's family is having an economic crisis. Bolaño keeps spiraling down with her addiction

Bolaño's ex-husband forbids her to see his daughter for her problems with the alcohol. Rai's mother discover a secret from Rai, and Minerva tells Poll her family problems.

A big party in Rai's house brings some gifts to Minerva and Pol. Bolaño asks for professional help but Pol doesn't want her to stop teaching classes.

Pol is attracted to someone new but is unsure if his feelings are reciprocated. Biel shares his plans to organize a debate league. Oti makes a decision.

Stunned by the news about his health, Pol struggles to get through an increasingly difficult day. Rai offers Alfonso assistance.

Lies and betrayals abound as everyone focuses on their own personal interests. Pol turns to Àngel for help in finding a new job at Satanassa Bar.

Bolaño suggests Pol and Biel work together to pitch the idea for Plato's Symposium to the dean and rector. Alfonso feels disrespected at work.

The philosophy students attend an indulgent masked Versailles party, where Biel takes the spotlight. Dino spends an evening getting to know Bolaño.

Axel invites Pol to his family's home outside of Barcelona, and the two have a candid conversation. Alfonso learns more about HIV.

Rai revisits his past and contemplates his future. Pol and his friends confront the rector about the symposium. Bolaño confesses an insecurity.

The students hold their "Symposium Against Philosophy" and get into heated debates about love. Bolaño both infuriates and inspires Pol.