During King Rama V's reign, Glaa's story begins. After his soldier father dies in battle, his mother is forced into slavery. She helps Glaa escape, and he finds refuge with Khun Luang Phra Pisoot, where he grows up alongside Khun Ploy, the master's daughter. Their bond deepens over time. Glaa vows to rescue his mother and restore the honor lost when he was branded a slave, facing many challenges on his journey to gain respect and dignity.