I'll travel across the dog planet to love you.

Cellist Lu Tingxia, after her father is wrongfully imprisoned, she is expelled from school, and her mother is in a car accident, falls into complete withdrawal. In her despair, Lin Che, of unknown origin, appears, posing as her mother and staying by her side. He can make her mother's specialty camellia cakes, knows Lu Tingxia's past, and often exhibits unusual and seemingly inhuman behavior. With Lin Che's companionship and help, Lu Tingxia gradually emerges from the shadows, uncovering the truth behind her father's wrongful conviction. As the truth emerges, Lin Che's mysterious origins are also slowly revealed, and the two develop a growing understanding as they journey together, embarking on a heartwarming journey of redemption across planets.