Do you love him, or do you love me?

The story revolves around three couples of different marriage ages. The marriage relationships of the three couples have all changed due to the intervention of pets. Chongliang (played by Zhang Yikai) and Wenyu (played by Zhou Zhizhi) are a newlywed couple, but there is always a mistress between them, which is Wenyu's pet dog Kito who has been with him for ten years. Jia Nan (played by Cai Qihui) and Yi Jie (played by Xie Junfeng), who have been married for seven years, have adopted a stray dog ​​Picasso, which intensified the conflict between the couple. The life of the old couple Ziguang and Meilan (Lin Ruping) has long been dull. It wasn't until Picasso intervened that their marriage started to stir up trouble again.