To uncover the truth behind the murder of Jiang Qingqing, the older sister from the orphanage, Jiang Lian searches for a horror game for three years. At last, an elevator plunge sends her into the Rose Hotel. Using the alias Lin Guo, she pretends to be weak while concealing her true strength, unraveling deadly rules in a team full of villains. But she catches the attention of Shi Jin, the instance's boss disguised as a player. He sets traps to test her, and she counters every move. As her teammates die one after another, Jiang Lian uses meticulous deduction and ruthless retaliation to fight her way to survival, awakening an unusual interest in Shi Jin, who had been intent on watching her die. After returning to reality, she identifies a player connected to her sister's death and voluntarily enters the game again.