The Legend of Naresuan: Part 2 (2007)

Prince Naresuan is now the crown prince of Ayutthaya and the king of Burma is dead. While the new Burmese king is waging war, the crown prince plots to assassinate Naresuan. Hearing this, the prince decides to evacuate Thais out of the Burmese capital and declare that Siam will no longer bow to Burma. The war for the kingdom's independence begins.