Keen 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.