When Khan Kluay Sinhala is born, his grandmother notes that his back is strong and has thick skin like his father and that his true strength lies within, and names him "Khan Kluay Movie Sinhala " (great heart).
As a young elephant, Khan Kluay sinhala is taunted by the other elephants because he is fatherless. Naturally, Sinhala Khan Kluay is curious about his father, and he's told that his father is a war elephant for the king. Because of this, he wants to find his father. As he was still a young elephant, he wanders off to begin his search, and he is soon captured by a Burmese raiding party. In trying to escape from the Burmese camp, the young elephant is befriended by a Siamese boy prince, Naresuan, who has been ransomed to the Burmese. Naresuan has the ability to calm Khan Kluay Movie into thinking clearly, and Khan Kluay Movie Sinhala makes his escape.
