Rebeka teases Cayetana with what she's learned. The Halloween party takes a troubling turn. Samuel walks in on a shocking scene.

Seeking the truth about Marina's death, Samuel attempts to seduce Carla. Lu's new friend, social media guru Cayetana, hosts an impromptu party.

Painful truths and dark secrets are exposed as the students unburden themselves and the circumstances behind Samuel's disappearance are revealed.

The events that transpired the night of the murder unfold. The police interview several eyewitnesses who are ready to point fingers.

A Venetian Carnival night at Isadora House shows Isa a new side of Dídac and puts the students of Las Encinas on a collision course toward heartbreak.

New students start school at Las Encinas as Guzmán continues to mourn his sister and Christian struggles with his secret. A classmate goes missing.

The details of Ari's attack are revealed but the Las Encinas students prove yet again there is always more than meets the eye.

Pressured by his friends, Polo's guilt overwhelms him. Cayetana's mother threatens to reveal her secret. Ander and Guzmán argue with their partners.

After a new development in Isa's case against her rapists, everyone has an opinion. Ari asks Nico out for a drink. Patrick makes a sacrifice.

Iván seeks emotional release, Sara slips back into old routines, and Ari goes looking for closure. When Isa proposes a collaboration, Nico has doubts.

Carla suspects Marina is involved in the theft. Omar's father makes plans for his son. After learning his sister’s secret, Guzmán seeks revenge.

An old student is tempted to return to Las Encinas as Isadora struggles with her feelings for Dídac. Iván feels lonely — but that might change soon.

The last moments before the murder unfold. Christian makes a tough decision. The police arrest a suspect. Guzmán becomes reckless with grief.

Lu uncovers a secret while helping Cayetana with her fundraiser party. Omar worries about Samuel's fate. Ander's behavior confuses Guzmán.

Rebeka tries to identify the traitor. A blackout party at the club leads to multiple shocking revelations.

Samu considers his next move with the SIM card, Cruz gives Iván relationship advice, and Caye tries to support a traumatized Isadora.

As graduation day arrives, the futures of multiple students remain uncertain. Polo begs his mothers to reconsider their recent decision.

The Columbia scholarship winner is announced. Nadia makes a momentous decision. Samuel's concern about Carla causes issues between him and Valerio.

A stern principal and three new students begin at Las Encinas. Omar and Samuel must prove themselves academically while their friends try to help.

Patrick lashes out at his dad by hosting a hedonistic party for everyone at the school. Samuel struggles with keeping both Ari and Benjamín happy.

Lu blackmails Nadia, and Samuel confronts Carla with his suspicions. In the future, Guzmán is interrogated about the missing student.

Guzmán confronts Nadia's father. New romances transpire when Lu throws a creative Valentine's Day party. Rebeka struggles with a moneymaking decision.

Rebe is confused and hurt by Mencía's mysterious behavior. Much to Ari's chagrin, Benjamín suggests Samuel join the debate team.

Still reeling from the night before, Ari takes on the heavy responsibility of protecting her siblings. Hugo's past actions finally catch up with him.

Samuel throws a party, where Nano makes a move on Marina and spiked punch affects more than one couple. Nadia is hurt by what she learns about Guzmán.