Legacies follows Hope Mikaelson, the daughter of Klaus Mikaelson and Hayley Marshall, who is descended from some of the most powerful ancient, original vampires, werewolf, and witch bloodlines. Two years after the events of The Originals, 17-year-old Hope attends the Salvatore School for the Young and Gifted, run by Alaric Saltzman and also attended by his twin witch daughters Lizzie and Josie Saltzman. The school provides a secret haven where supernatural beings can learn to control their abilities and impulses safe from the outside world. The institution is designed to educate and protect young supernatural beings, including vampires, witches, and werewolves. The series explores their challenges in mastering their powers, forming relationships, and confronting various magical creatures and threats along the way.