A blood-stained campus loan dragged college student Lin Mo into an underground boxing ring. In order to save his seriously ill sister, he was forced to become the sharp sword of the gangster, but in the blood and fire, he discovered that he was actually connected by blood to the mysterious organization "Scorpion". When robots, police moles, and transnational drug lords surface one after another, in this hunting game that spans the boundaries of black and white, only those who tear up all the rules can survive to the end.
