A middle-class family's fate becomes intertwined with their only son's enigmatic new friend in post one-child policy China, putting unspoken secrets, unmet expectations, and untended emotions under the microscope.

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.

After being rejected from the police college, a mannerly man travels to Bangkok where he and an energetic distant relative must solve a murder case.