In order to retain the beautiful skin that does not belong to her and her lover Gong Tianbao, the ninety-year-old cat-demon dancer deliberately attracts the demon-catching Taoist priest Liuzhi, hoping to absorb his extraordinary cultivation.; The two-tailed black cat Xiaohei uses one tail to save her former savior, Liu Yuanzhi, the matrilocal son-in-law who married the ugly daughter of the prince's maternal uncle. From then on, she lives a comfortable life in seclusion with him, but little does she know that this would be a love tribulation that she could not avoid; About to turn nine years old, a young cat demon named Maoqiu needs to drink the blood of mouse spirits to grow her first tail. When she meets a mouse spirit, she unexpectedly becomes friends with him.; The love between a human and a demon is tragic and shocking.

In the vast universe, there is a planet called "Fantasy Domain" on which an ancient intelligent species lives. This race is highly civilized and kind-hearted. It sends tribesmen to and from other planets in the universe. They are dedicated to the people on all planets but have a long-lasting obsession. On earth, they are called "Zhu Nian Masters."