The evolution of the combat sport we know today as mixed martial arts (MMA) was once known as 'Vale Tudo' - anything goes' - founded in the 1920s. The spilling of blood and explosion of violence that made the crowds cheer back then had an unspoken purpose for these fighter; loyalty, honour and pride. In this documentary vignette featuring former MMA fighter turned trainer Jesse Richardson, man versus man is really an unseen battle of man versus himself.