Ren Yingying was used as a substitute by her family to marry Mao Xiaoxia. It was a helpless move, but she found that Mao Xiaoxia was a funny and interesting person. Ren Yingying gradually melted Mao Xiaoxia's heart with her pistachio personality. The two experienced many interesting things in the world. At the same time, Ren Yingying found out the family's conspiracy to let her marry on behalf of her, and finally gained sweet love and the family conspirators were punished.