The story is set in 1890s Siam. Siang is a young Muay Thai warrior and rocketry expert who steals back water buffalo taken from poor Isan farmers by unscrupulous cattle raiders. He is searching for a man with a tattoo who killed his parents.
After seven misfit ex-soldiers discover a covert cargo during a robbery, they find their village taken hostage and must stand up against the US army.
In World War Il these seven soldiers marked as wanted men must join together once more to defend their country and protect their own lives.