After returning to his hometown for work, Yan Yuechu befriended some colleagues at his job. A visit to XY Escape Room introduced him to the intriguing proprietor, Xu Aiyou, who immediately piqued his interest. However, strange illusions materialized as soon as he got to know her better. The bizarre occurrences escalated and even affected Yan Yuechu's friends. While trying to solve escape room puzzles and uncover the person responsible, he gradually unraveled the reality of his forgotten memories.