Ong-bak is mainly a handfight type movie.This movie story based on 1431. In 1431, the Kingdom of Ayutthayan conquers the territory of Sukhothai expanding their lands to the East. The noble Lord Siha Decho is betrayed by his Captain, Rajasena, and is murdered together with his wife. However their son Tien is saved by one loyal soldier and left alone in the woods. After few years letar he came back to take his revange But will he is strong enough…….