Twenty years after Professor Yu’s tragic death while trying to stop the new drug MG32, traces of the drug resurface in an overseas murder case, indicating the return of drug lord Sha Kun. Now, Yu’s son, undercover officer Yu Fei, teams up with law enforcement in a high-stakes operation to take down the powerful international drug syndicate.
| Actor | Role |
|---|---|
 Li ShuhangXia Zai | Xia Zai |
 Shi KeShi Hong | Shi Hong |
 Waise Lee Chi-HungSha Kun | Sha Kun |
 Zheng JunhaoTan Qingsong | Tan Qingsong |
 Lu ZhuojieA Lan | A Lan |
 Mu Li-XinE Yu | E Yu |