- "So" is an Isan word, which means "fight until death". When the best fighters get together, they find a party has turned into a cemetery overnight. The vengeance is raised over he limit. Death is nearby. Everybody has no choice but to "fight until death". The thrilling, full-blown fight that the world has never seen before is about to start...
Fighting club is a club of students who love martial arts. They compete for the chance to star in Hollywood films, and they are able to last one standing. Everybody gets together for the celebration party, but after the party is over, they discover that nothing is what it seems. The party has become a trap. Their friends are kidnapped. They can feel danger everywhere. Mysterious killers aim for their lives. With their lives threatened, death is creeping up. There is no answer who is behind this and why they have become the target in this violent game. The only choice they have is to, "fight until death"!