With the full moon, werewolf hunters mobilize. In the laboratory, Luna and Juan are under the vampires' surveillance. Having recovered, Flora overhears a conversation that leaves her furious.

Celina helps Flora. The day arrives for Juan to undergo the procedure Carol worked so hard on. Luna makes revelations to her mother. Elizabeta arrives in Guarambá.

The development of the serum in the werewolf experiment fails. Michel makes a decision that could cost him dearly. Celina makes revelations to Elizabeta, who decides to come to Brazil.

Carol and Juan celebrate Luna's return to the chalet. Socorro asks for help at the school in her search for Barbina. Luna goes looking for Michel. A tragedy rocks the town. Michel confronts Celina.

Otto tries to sabotage Carol's experiment. Celina tests the new serum. Martín makes a proposal to Luna, who makes a decision. Worried about Flora, Barbina goes to see Celina.

Disappointed, Luna helps Michel. Flora and Celina have sex. Otto makes important discoveries about werewolf blood. Barbina finds Flora's behavior odd and returns to town.

With Martín, Luna discovers another side of life as a she-wolf. Distraught, Carol asks Juan to find her sister, and Michel decides to go along. Celina takes Flora to see the ocean.

It is a full moon. Luna and Juan prepare to transform. Martín's presence creates a tense atmosphere. Francisco sees Flora and Celina kissing. Luna makes a decision regarding her father.

Martín's arrival surprises Luna. Carol and Martín revisit hurt feelings and confront each other regarding their children. With Celina's help, Flora takes an important step as a vampire.

Flora tries to adapt to her new "life," and Celina advises her to keep herself in check to avoid risks. Luna arrives at school with her brother, Juan, who feels out of place finding himself in an unfamiliar world.