After Su Ran and Xia Yao get trapped in an elevator, they accidentally stumble into a gloomy, abandoned sanatorium and embark on a thrilling five-day fight for survival. Every day brings them face to face with deadly dangers: searching for a pocket watch in a collapsed ward, finding a key in an ice cellar, picking a rose in a perilous garden, repairing the wiring in a high-voltage room, and destroying a crystal ball in the attic. They support each other, relying on courage and ingenuity to repeatedly teeter on the brink of life and death. This perilous five-day ordeal is not only a test of survival, but also a trial of their humanity and friendship. Can they escape and return to normal life? Follow in their footsteps into this thrilling, treacherous world of horror, where tension quickens your pulse and hope shines amid desperate circumstances.
