Ye Rutang, a calm and self-disciplined college student, originally wanted to raise a cat to cure his loneliness, but accidentally picked up a mysterious key-colored ragdoll cat "Jiujiu". Two months later, she was shocked to discover that the kitten turned into a little boy with silver hair and blue eyes at night. From then on, she started the "Cat Breeding Plan", and in countless ridiculous daily life, the relationship between the two gradually heated up. From kitten to adult, Jiujiu was finally able to maintain his human form stably, and spent several years of sincere and passionate time with Ye Rutang. However, the cat demon's lifespan is only twenty years, and farewell comes as scheduled. A year later, Ye Rutang, who was still heartbroken, met a young man in a foreign country who looked the same as Jiujiu but had a complete human soul. A story about fate and renewed love unfolded...
