In a world where young villains strive to break free from the darkness of their parents, the story follows Mal, the daughter of Maleficent, who has adapted to life in Auradon. However, despite her efforts to fit into this new environment, she begins to feel the pressure of perfection and the responsibilities that come with being part of royalty. When a new threat emerges, her former home, the Isle of the Lost, becomes the focal point of attention.
Mal is pushed to return to the island, where she reunites with her old friends Evie, Carlos, and Jay, but also encounters a new group of villains who wish to keep their parents' legacy alive. Amidst all this, Mal must confront her own identity and the expectations that others have of her. With the return of the formidable Uma, the daughter of Ursula, an intense rivalry erupts between the two girls, deepening Mal's internal conflicts.
As the bonds of friendship and loyalty are tested, Mal realizes that true power does not lie in inheriting her parents' evil, but in discovering who she really is. In an exciting showdown filled with music, magic, and tough choices, the characters must decide whether to follow the path of darkness or forge their own future, proving that we all have the power to change our story.