Yuxin Chen

In 1995, bankrupt smuggler Lu Shaohua turns to meth production for profits, while anti-narcotics cop Lin Qiangfeng transfers to Xigang after an undercover mission. Over years of cat-and-mouse across borders, Lin finally dismantles Lu’s expanding drug empire.

Grandfather Gao Sihai, a forensic expert, faces wrongful accusations that impact his career and health. His son, Gao Jian, died while investigating an unsolved case, which is now questioned. Gao Feng, the grandson, becomes involved in the case and works to uncover the truth, facing numerous challenges along the way.