In Bibo City, a water town in the south of the Yangtze River, Liu Ruyan, a talented girl of the Liu family, is world-famous for her piano skills and poetry. Her life was peaceful until that moonlit night when she met the mysterious man in white - Bai Wuhen.
Bai Wuhen is an elusive ranger whose swordsmanship and flute skills are equally impressive. His identity is a mystery and his past is unknown, but his appearance caused ripples in Liu Ruyan's heart. The two met for the first time under the moon, playing the piano and flute, and an indissoluble bond quietly unfolded.
As bandits became rampant in the mountains outside Bibo City, Mr. Liu, the head of the Liu family, organized a convoy to exterminate them. In the process of searching for Bai Wuhen, Liu Ruyan accidentally witnessed his hero saving the beauty. Bai Wuhen's bravery and courage made Liu Ruyan's feelings for him even deeper.
However, what kind of secret is hidden behind Bai Wuhen's mysterious identity? Can Liu Ruyan's innocence and bravery move his frozen heart? In the hazy mist of Bibo City, where will the relationship between the two go?
Concept: ancient romance