Kean loses his father, gains enemies, and finds unexpected refuge at a Muay Thai camp—where survival means stepping into the ring.

Than reluctantly agrees to fight his old rival, but a misunderstanding causes a rift with Keen. As Keen tries to fix things, he ends up in danger, racing to reach Than before the match begins.

A viral rumor online tarnishes Thun and the gym's reputation before the upcoming grudge match against Typhoon.

Thun faces Typhoon in their rematch, however, the odds have been stacked against him.

When the gym and the team enters into a financial crisis, Keen begins organizing a special entertainment match to raise money. A sponsor appears to be within reach, but first, Keen must recruit Yut back into the world of Muay

An unexpected conflict between Thun and Yut helps sell tickets for their upcoming event.

On the night of the Hero Vs Hero match, someone drugs Thun making him unable to compete in the event as planned.