The beauties on the list of "Miraculous Detective in Jianghu" die one after another, and the red-clothed thief, who is also on the list, meets again after a night of romance with the abstinent arrestor, and is accidentally involved in this bloody storm. The two work together to solve the crime and fall in love with each other......

The Buddha said that there are eight sufferings in life: birth, old age, illness, death, the meeting of resentments and hatreds, separation from love, not being able to seek what you want, and the five yin beings. According to legend, there are sharks living outside the South China Sea who live in the water like fish. The sharks wept at night, their tears turning into beads. Mermaids use their ghostly songs and their beauty to lure humans into deep water, where they eventually eat them. Yu Ji is a little mermaid in the lake. She has heard many stories about mermaids falling in love. It wasn’t until she rescued Yin Qing who accidentally fell into the water that she realized that the pain of lovesickness is comparable to the pain of Ling Chi. But Qingqing mistook Yue Zhenzhen, the daughter of the martial arts leader, as her savior. On the wedding night, the bridegroom was a handsome young man, but the bride was not the little mermaid with whom he had a private life. This time, will the Little Mermaid turn into a bubble for love like in the fairy tale?...