Sonchai Damrongsak is a muay thai fighter from Thailand. While training in a forest one day, Sonchai came across a young elephant who was injured by hunters and took care of it, naming it Kham, and visiting it everyday, until one day, he realized that Kham was missing. Upon finding out that Kham was smuggled to Japan by Orion, Sonchai enters the Sentoki tournament in order to rescue Kham.