The film begins in 1431 feudal Siam. It is a time of political upheaval, treachery and danger. The opening scene explains how during the reign of Borommarachathirat II of the Ayutthaya Kingdom, the Ayutthaya royal court became more powerful than the Sukhothai kingdom and expanded to the east. The Ayutthaya army besieged the cambodia for several months. The king sent his son, Prince Indraracha to rule the kingdom.