Overview
Hangzhou, China, the present day. Chen Congming, an associate professor at a medical college who is popular with his students, alarms his superiors with his theory that everyone has the potential to go crazy, and that the dividing line between sanity and insanity is paper-thin.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 30 | 45 | |
 | 51 | 66 | |
 | 29 | 45 | |
 | 26 | 42 | |
 | 35 | 50 | |
 | 31 | 46 | |
 | 41 | 56 | |
 | 34 | 50 |