Three fighters pursue their dreams in the world of muay thai. Sam Sheridan, a 27-year-old Harvard graduate, travels to Thailand to train under a legendary champion. Gong-Prai Sorjintana, a 13-year-old boy, fights to earn money for his education. Boon-Term Kitmuti, a 29-year-old mother, defies tradition to enter the ring despite her husband's disapproval. As they prepare for their toughest battles, their journeys reveal the challenges, sacrifices, and passion behind the sport.