[Anti-drug operation + revenge + pretending to be mute + disguise + unrequited love] After losing both her parents, Lin Qinghe is left with a blood feud. Forced to hide in the darkness and pretend to be mute, she carefully plans her revenge through every silent day. She conceals her sharp edge like a hunter lurking in the shadows, waiting to deal her enemies a fatal blow. As the flames of revenge rage, every step is perilous, and one careless mistake could cost her everything. Her stepbrother, Lin Siwen, has sunk into a life of crime, yet as he spends day and night with Qinghe, he develops feelings for her. Faced with family and love, what choice will he make? Hua Cheng, Wu Juncheng, Qi Zesheng, and generations of anti-drug police officers press on one after another. The victory they win through countless sacrifices ultimately shines upon all humanity.