Gu Gan traveled through time and became the patriarchs of the ancient tribes in the fantasy novel "Perfect World". He met the male protagonist Ye Hao and the female protagonist Huangfu Shiyun in the original book to break off their engagement. Gu Gan tried his best to make Huangfu Shiyun recognize Ye Hao's true face. In the process, Huangfu Shiyun fell in love with Gu Gan. Gu Gan wanted to take away Ye Hao's golden finger. He grabbed and released it, planting seeds of doubt in the heart of Grandpa Goldfinger. Zuodaozhou is about to open, and Gu Gan takes away Gu Kun's ancient holy body and goes to Zuodaozhou for his own use. Gu Gan, Li Waner, Li Zhenhan, and Huangfu Shiyun were seizing treasures and practicing in Zuodaozhou. Gu Gan helped Li Zhenhan regain the favor of his junior sister, and helped Gu Xun'er defeat Kong Fan.
