Li Chengfeng, the best swordsman in the Central Plains, died, but his death was very strange. He seemed to have been killed by four people. There was a strange wound on Li Chengfeng's left chest. It was neither a knife nor a sword. Looking at the world, it seemed that only that kind of weapon could cause such a wound. Li Chengfeng's right wrist had been pinched off by someone else. When his body was found, the sword fell at his feet. Only those hands in the world could break off the swordsman's hand. An acupoint was tapped on the back of Li Chengfeng's neck, and purple spots were faintly visible where the acupoint was tapped.
Anyone would think of those four people, those four people with the weirdest tempers in the world, and those four weirdest weapons in the world.
"If you want to prove your innocence, you have to find out who the real murderer is."
Concept: The friendship and love between four strangers who come together because of a case