Xia Xiaoyu (Zhang Yuqi) works at a dating website, and is responsible for testing the matching index of single men and women from all walks of life, as a proof of matchmaking. Xia Xiaoyu has a boyfriend Xu Mo (Huo Jianhua) who she has been dating for many years. The two have a 98% match, which is nothing less than a match made in heaven. However, just as Xia Xiaoyu was waiting to enter the marriage hall with her boyfriend, she heard the news that Xu Mo cheated on her and got engaged to the rich daughter Ye Jingsi (Shi Yufei). Zhou Yunfeng (Kwon Sang-woo) is Xia Xiaoyu's immediate superior. The company's tight financial situation gave him a headache. Ye Jingsi's father was the biggest moneymaker around Zhou Yunfeng, so he decided to start with Ye Jingsi. Zhou Yunfeng and Xia Xiaoyu pretended to be a couple, mixed up with Xu Mo and Ye Jingsi, trying to make trouble and break up the two, but as time went on, the development of the situation gradually got out of the control of the four.