Maria Oosawa is a Japanese photographer based in Shanghai, working alongside her partner Mino to uncover newsworthy stories. Their investigation into a festival disturbance leads them to a confrontation between masked men and a white-haired woman. Maria is rescued by Canaan, who arrives just in time to save her. The situation escalates as a deadly virus plot is uncovered, forcing Canaan to confront her past and her connection to the events unfolding.