A group of young men in bright clothes met by chance, each with his or her own skills, but a strange case entangled them and uncovered a huge conspiracy lurking deep in the rivers and lakes. The shadow of the sword gleams, the tip of the blade hides the secret, and the light of the needle breaks through the darkness. The young people go together together, brave the dangerous road with their spirit, and break the puzzle with their sharpness. There are swords and swords on the road ahead, some people have ulterior motives, and there are also young people who share the same heart and soul. The green edge reflects the short blade, and the plain clothes go to the world. Let's see these young people break the undercurrent with their blood, decide the world with their sharp blade, and walk out their own heroic path in the stormy world.