Lei Jie, a decorated special forces veteran, returns to his hometown after leaving the military. When he witnesses criminal forces running rampant, he resolutely joins the police. From deputy captain of the special police unit to director of the public security bureau, he relies on his outstanding military skills and unwavering convictions to break through the layers of obstruction created by the forces protecting the criminals, with the steadfast support of Lin Xue, a woman and county Party secretary, and the discreet help of his retired father. Facing frame-ups, threats, and even life-or-death trials, the two stand together and ultimately wipe out the criminal organization led by Zhao Tianba and the network behind it, restoring peace and justice to Lingyuan County. This is the ultimate clash between good and evil, and the thunderous tale of a hero who protects his home with his very blood.