Jiang Sheng was an ordinary man living a life of quiet isolation, working as a bookstore clerk in the dim, rainy city of Linhai. One night, after a chance encounter with a strange, flickering shadow near his apartment, his life takes a sharp and unexpected turn. Upon waking the next morning, Jiang Sheng finds himself no longer human but transformed into a sleek, black cat with piercing golden eyes. As he stumbles through his first confusing hours as a feline, he makes two stunning discoveries: he can now see the souls of the dead, and anyone who crosses his path suffers misfortune soon after. Confused and desperate to return to his human form, Jiang Sheng is forced to navigate this new world of spirits and curses. He quickly learns that not all souls are peaceful—many are lost, lingering in a limbo of rage or regret. As he roams the city’s narrow alleyways and abandoned buildings, these spirits begin to follow him, some seeking closure, others seeking revenge. At the same time, the dark aura of bad luck surrounding Jiang Sheng intensifies. The people he once knew, along with strangers who simply chance upon him, are plagued with inexplicable accidents, broken relationships, financial ruin, or worse. His presence is like a whisper of doom in their lives, though they never realize that the source of their suffering is the innocent-looking black cat watching from a distance. In his quest to regain his human body, Jiang Sheng meets several key individuals who complicate his journey. Mingxia, a mysterious woman with a deep knowledge of the occult, seems to know more about Jiang Sheng's condition than she lets on. She offers cryptic advice, warning him that there are forces far darker than the curse of bad luck tied to his transformation. Meanwhile, Zhang Wei, an ambitious journalist, becomes obsessed with the sudden surge of misfortunes in the city and begins investigating a connection to the eerie presence of the black cat. Lastly, Xie Rui, a young boy who recently lost his mother, forms an unexpected bond with Jiang Sheng, seeing the cat not as a harbinger of doom, but as a kindred spirit in the midst of grief. As Jiang Sheng grapples with his feline form, he uncovers layers of the city’s hidden supernatural underworld, learning that there are many more like him—humans trapped in animal forms, all cursed in different ways. His journey to reclaim his humanity will force him to confront not just the ghosts of the city, but his own personal demons as well. In the end, he must decide whether to accept the fate that has been thrust upon him or find a way to break the cycle of misfortune that now governs his life.