In a cramped room on the second floor of a drab, overheated elementary school in Havana, Olympic Taekwondo champion Evelio Padron trains a group of young men to be Cuba’s first MMA team. Forced to train on a concrete floor, using third-hand equipment and techniques pulled from memory, the fighters aspire to compete against the world’s best and reach the level of international fame enjoyed by their country’s legendary boxers.