In the mysterious Phaya Yen jungle, legends speak of a lost town full of gold called Kwangtaburi—guarded by fierce beasts and deadly bandits. Petch ventures into the jungle to find his missing father and crosses paths with Sroi, a mysterious woman, and her grandmother Thong, who hides a magical secret.

As Petch helps them escape danger, he unknowingly steps deeper into a world of secrets. Meanwhile, Chan and her fiancé Tadthep arrive to find Chan's missing father, Deputy Jerd, and hire Petch as their guide. Along the way, feelings grow and tensions rise.

But Sroi isn’t who she seems—she’s Princess Sroisuda-dhevi of Kwangtaburi, fleeing from the clutches of the criminal Garong. Can Petch survive the dangers of Phaya Yen, uncover Sroi’s secret, and find his father in the golden town lost to time?