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.

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.

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.