An epic historical action film about King Naresuan the Great, who liberated the Siamese from the control of Burma, changing the destiny of a nation. Part II portrays Naresuan as a young adult prince, already a formidable military strategist, as he leads his army on exploits against breakaway kingdoms for King Bayinnaung's successor, King Nonthabureng, and eventually breaks away to declare sovereignty for Siam.