Based on a true historic figure, Yamada Nagamasa, a Japanese adventurer who went to Ayothaya in the 16th century and became a soldier in King Naresuan’s army. After the war in Burma it’s restless in Ayothaya, because of a mysterious group of men that terrorizes and plunders the city. Yamada goes after them and discovers that the men are rebelious Japanese samurai. Now he has to fight his own countrymen.

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.

Based on a real warrior from Thailands Ayutthaya period, ‘Broken Sword Hero’ follows the heroics of legendary military general Thongdee. From the disparity as a young runaway to the toughest warrior among his people, a legendary fighter with unparalleled skills in Muay Thai and swordplay, fights for the freedom of his people.