When he brought his best friend's baby, Little Monster, back to China, he unexpectedly caused an uproar.
Xin Xiaoxiao, an unmarried young woman, was mistaken for a single mother. But just when she needed her best friend to prove the truth the most, her playful best friend actually disappeared! Her father was so angry that he fell ill, and her mother kicked her out of the house. With no one to rely on, Xin Xiaoxiao had no choice but to rent a house with his little monster. Then he and Gong Ming, a demon boy on the same floor, disliked each other and started a battle of wits and courage. A hilarious story began. . . . . .