Ari, Mencía and Patrick return to school, determined not to let their family's baggage weigh them down. Isa's new club opens with a big first night.

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.

Nadia's return surprises Omar. Isadora and Chloe compete for entry into the exclusive and mysterious Alumni, where Joel captures Héctor's attention.

A dangerous event raises the stakes for Joel and Isadora, who can't afford to lose the grand prize. Dalmar's scheme further puts him in hot water.