Overview
The story of Ruoyi, a college student played by Song Yiren, who unintentionally falls into a complex murder case in order to complete his graduation work, and finally discovers the "truth" and is in danger after experiencing layers of unsolvable mysteries and intricate bizarre events in the "last room" of a hotel......
| Actor | Age then | Age now | |
|---|---|---|---|
 | 24 | 32 | |
 | 39 | 47 | |
 | 31 | 39 |