• The whirlpool of fate: Delivery boy Lin Qiu accepted a mysterious invitation to save his sister, and was transported to an abandoned hospital on a rainy night.
• Bloody Chapter 1: In the first dungeon "Midnight Hospital", seven strangers must decipher the rules of authenticity and discover that the player number corresponds to the bed number in the organ specimen room.
• Rule trap: The blood bank rules on the second day concealed death conditions, and the radio at the nurse station suddenly announced the name of the deceased player.
• Identity fog: A man with glasses who claimed to be a veteran player disappeared mysteriously in the morgue, and the diary fragments of the previous gamer were found in the morgue.
• Reversing the truth: On the seventh day, the director's office revealed the truth about the hospital, and the surviving players discovered that the "immunity" given by the system was actually a cruel trap.