At Renxin Hospital, rules are the only line of defense for survival.
When night falls, the corridors of the hospital are filled with a strange atmosphere. As a night shift nurse, you must strictly abide by various weird rules: nurses in white uniforms are trustworthy, there is no seventh floor in the hospital, and it is forbidden to use the elevator after midnight... Every violation may lead to irreparable consequences.
As time goes by, strange events occur one after another. The inexplicable noises in the ward and the mysterious appearance of strange figures are all challenging your psychological limits. And in the process of searching for the truth, you gradually discover that behind these rules, there are hidden terrible secrets of the hospital.
Can you stick to the rules, uncover the mysteries, and successfully survive until dawn in this crisis-filled environment?