Wu Xie, the owner of an antique shop, accidentally obtained a mysterious silk book. Wu Xie's third uncle Wu Sansheng (played by Wu Zhenyu) discovered that there was a mysterious map hidden in the silk book.In order to find the missing owner of the silk book, the third uncle formed an expedition team with Wu Xie (Xu Zhenxuan), Pan Zi (Cao Lei), Zhang Qiling (Cheng Xiang), and Da Kui (Ma Jingjing), and set out to explore the location on the map.During the search, Wu Xie met Fatty Wang (played by Sun Gechuanye) who came to explore the secret.

Facing various dangerous tests and encountering attacks from mysterious creatures, everyone worked together and relied on wisdom and courage to avert danger.Deep underground, they discovered a snake-eyebrow copper fish, which unexpectedly revealed the dusty past of the third uncle.After meeting with the mysterious woman Aning (played by Li Muchen), the third uncle suddenly disappeared.In order to find out the truth and find the missing third uncle, Wu Xie and his partners embarked on a new journey...