Overview
Xiao Yu and Xiao Fei finally got together. Xiao Yu became a criminal police officer, while her ex-boyfriend became a drug dealer. The ex-boyfriend wanted to use Xiaoyu's special status to open up a channel to transport drugs to the mainland, and promised Xiaoyu a high salary. Xiaoyu decides to use this as an opportunity to catch them and even break ups with Xiao Fei to make her undercover story more believable.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 26 | 37 | |
 | 26 | 37 | |
 | 22 | 33 | |
 | 28 | 40 |