A Thai military outpost in the town of Phu Kham in Laos, lead by General Wangpo, is under attack from Karen insurgents. The General's baby son is entrusted to Sergeant Khem to take him back across the border to safety.

Adapted from an important Lanna literature, the story is about the obstacles in love between Jaiya, a handsome but poor young man, and Waen Kaew, a young woman whose parents want to marry Sang Nanta, who is wealthy. At the same time, Waen Kaew and Jaiya's parents were once lovers, but were misunderstood and became resentful.