When the head of a statue sacred to a village is stolen, a young martial artist goes to the big city and finds himself taking on the underworld to retrieve it.
Moments from death a young man is rescued by a renowned warrior. Realizing unsurpassed physical potential in the young boy he trains him into the most dangerous man alive. As he becomes a young man he goes on a lone mission of vengeance against the vicious slave traders who enslaved him as a youth and the treacherous warlord who killed his father.
Ong Bak 3 picks up where Ong Bak 2 had left off. Tien is captured and almost beaten to death before he is saved and brought back to the Kana Khone villagers. There he is taught meditation and how to deal with his Karma, but very soon his arch rival returns challenging Tien for a final duel.
In Bangkok, the young Kham was raised by his father in the jungle with elephants as members of their family. When his old elephant and the baby Kern are stolen by criminals, Kham finds that the animals were sent to Sidney. He travels to Australia, where he locates the baby elephant in a restaurant owned by the evil Madame Rose, the leader of an international Thai mafia. With the support of the efficient Thai sergeant Mark, who was involved in a conspiracy, Kham fights to rescue the animal from the mobsters.