During the Republican era, a timeless enigmatic figure named Chai Hu emerged in Qian Deng Town, rumoured to house a dragon within him. When journalist Wei Yu Tong captured a photo of this extraordinary person, it piqued the interest of her father, Wei Yi Shan, a biologist. Leading a team to Qian Deng Town, Wei Yi Shan discovers Chai Hu, who appears mentally challenged. Using Chai Hu's wife as leverage, they coerce him into leading the team to the legendary Eight Hundred Mountains, where the dragon is said to reside. Amidst perilous challenges in the mountains, an adventure to find the dragon unfolds.