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

Prince Phillipe's arrival at the school prompts strict security measures and controversy. Samuel and Omar's towel party leads to new romantic hookups.

Ari and Samuel face off in an important and public debate. After speaking with Ander, Omar struggles with the emotional fallout.

Phillippe worries that his friends are using him for Ambar Lucid performance tickets. Rebe warns Mencía she feels skeptical about Armando's assistance.

Samuel, Rebe and Cayetana look for evidence that could implicate Benjamín. Heartbroken over Phillipe's harsh words, Isadora embarks on a trip to Ibiza.

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