This song is from a martial arts love costume film adapted from Gu Long's novel of the same name. It tells the story of Xiao Li's emotional entanglement with her righteous brother Long Xiaoyun and childhood friends, the sad love affair with Yang Yan, a fairy who was stunned by the rainbow, and a series of grievances and enmities caused by her brotherly love with her righteous brother A Fei after she resigned in the late Ming Dynasty. Sigh Li Xunhuan careless friends, people can't. Sad Lin Shiyin only believes in appearances and doesn't ask what happened. He can't see through Li Xunhuan's moral burden.

Little Li Fei Island is a song sung by Hong Kong singer Tan. This is written by Lu Guozhan and composed by Gu Jiahui. It was the theme song of 1978 Zhu Jiang TV series "The Trail", 1979 Gangnanqiang film version "The Trail" and 1999 Vincent Chiao version.