Lord Waeng's men are eventually pitted against Nai Hoi Sing (Samart Payakaroon), a cattle trader with supernatural martial arts powers and a tattoo on his chest.
Growing up in Chaiya, Surat Thani Province, three boys, Piak, Pao and Samor, are followers of Pao's brother, Krang (Prawit Kittichanthira), a legendary muay Thai fighter who is taught by Pao's father, Tew (Samart Payakaroon).
In 1986, he won a WBC junior featherweight title with a surprise KO over rock-chinned Lupe Pintor in the fifth round and defended against the respected Juan Meza before being stopped by undefeated Australian Jeff Fenech.