Roughly five years since he won the title belt at Megalonia, Joe wanders to different underground fighting rings with simple Megalo Boxing gear under the name "Nomad," his only stipulation that the fight be legit, while making money to fuel his painkiller addiction. After overhearing about another highly-skilled former pro Megalo Boxer called "Chief" racking up wins on the underground circuit and scaring off other challengers, Nomad offers to be his next opponent. Nomad recognizes Chief from the bar he visited the other night, while Chief appears to know his real identity as Joe...