Ruthless siblings Roderick and Madeline Usher have built Fortunato Pharmaceuticals into an empire of wealth, privilege and power. But past secrets come to light when the heirs to the Usher dynasty start dying at the hands of a mysterious woman from their youth.

Rey develops her newly discovered abilities with the guidance of Luke Skywalker, who is unsettled by the strength of her powers. Meanwhile, the Resistance prepares to do battle with the First Order.