Having taken down the loan sharks, Geon U is more motivated than ever to pursue his dream of becoming a boxing champion — with U Jin now fully in his corner as his coach and chosen family. After grueling training and countless fights, Geon U finally claims the long-awaited victory, and the two soak in the roar of the crowd — until a new threat emerges that shakes their sense of invincibility. Enter Baek Jeong, who rules over an underground boxing league and crushes even reigning champions with ruthless ease. Driven only by money and violence, he sets his sights on Geon U as his next opponent. With the threat closing in, Geon U and U Jin brace for what’s coming. Once again, they’re pushed into a brutal fight to protect the people and principles that matter most.(Source: Netflix)~~ Adapted from the webtoon "Bloodhounds" (사냥개들) by Jeong Chan (정찬).