Hayley finally manages to free her Family of Werewolves from the curse placed by Celeste. Now the pack tries to regain its place within the factions that was formed and divides the French Quarter. In the midst of a cold war for control of the city full of conflicts, arises irreverent Acácia or Cassey, a girl destined to the burden of turning into wolf on full moons, but endowed with a gift able to give a great advantage to those who have her in their team. After all, Klaus is not the only "hybrid" in New Orleans. Now, the Mikaelson hungry for power tries to gain the confidence of the sassy girl while Cassey tries to survive in a chaotic scenario of monsters against monsters.