Jiang Nuan accidentally crossed into a crisis-ridden apocalypse. As a rare SSS-level purifier, she has always carefully hidden her own abilities and tried hard to survive. Yet she was still discovered and taken away by the powerful Unit Zero. On the way, they broke into a dangerous area. Team members fought monsters with all their might and confessed the truth to Jiang Nuan: team members have long executed high-risk missions, their alienation values are on the verge of getting out of control, and they urgently need her purification ability. Facing the unknown road ahead, Jiang Nuan's heart is full of trepidation. She can only gather her courage, ponder how to get along with these people, and look for a survival way out belonging to herself.