Overview
Lin Xiao, Gu Li, Nan Xiang, Tang Wanru - these four best friends, after waving goodbye to their school campus and entering the workforce, they are faced with various challenges in their life: friendship, love, and career. Together, they become lost in life, having long forgotten their past courage.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 27 | 38 | |
 | 28 | 39 | |
 | 30 | 41 | |
 | 24 | 35 | |
 | 23 | 34 | |
 | 24 | 35 | |
 | 29 | 41 | |
 | 26 | 37 | |
 | 43 | 55 | |
 | 28 | 39 |