Black and White Edge

He is a traveler walking on the edge of darkness, and the boundaries between black and white seem to have become somewhat blurred! He is a rising star in the police force and hates evil as much as he hates it. Facing the increasingly rampant drug gangs, this is a journey full of wisdom and courage, but it is also a journey full of thorns that constantly tests human nature. His name is Gu Fan and his name is Shi Lei. A grudge from five years ago, is it an opponent or a comrade? . . . . . .