On an old street in a busy city, Li Qing'an ran a family-run grocery store, originally only running for a living. One night, the appearance of a strange ancient object awakened his yin and yang eyes, and he was involved in a series of supernatural and bizarre events. Form a temporary adventure group with the new occult blogger Gao Zhiruo, the "dabbler" Chi Beichen, and the mysterious Grandma Wang. They must not only deal with endless haunting cases, but also compete with Sun Pingsheng, a black market broker who is trying to control the spirit world. Supernatural, humor and reality are intertwined, and everyone is lost on the edge of human heart and destiny. As the mysteries were uncovered layer by layer, everyone discovered that there were countless truths hidden behind this urban fantasy night...