Wu Xie, the owner of the 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 brought Wu Xie (played by Xu Zhenxuan), Pan Zi (played by Cao Lei), brother Zhang Qiling (played by Cheng Xiang), and Dakui (played by Ma Jingjing) to form an expedition team and set out to explore the location on the map together.During the search process, Wu Xie met Fatty Wang (played by Sun Ge Chuanye) who came to explore the mystery.Faced with all kinds of dangerous tests, they were attacked by mysterious creatures. Everyone worked together and relied on their wisdom and courage to escape danger.Deep underground, a snake-eyed copper fish they found unexpectedly revealed the dusty past of Uncle San.After meeting with the mysterious woman Aning (played by Li Muchen), the third uncle suddenly lost his whereabouts.In order to find out the truth and find the missing third uncle, Wu Xie and his friends embark on a new journey...