Cheng Hao, a dentist at a high-end dental clinic, has a dual identity. In his spare time, he is also a "Mr. Love", who specializes in helping people on the road of emotions, but his own emotional life is blank. Cheng Hao met the sharp-tongued Luo Yue before a client's wedding. The two had a lot of problems and disliked each other. But all this changed quietly after Luo Yue innocently encountered the "emotional cheater" and married Song Ningyu. Song Ningyu's wife Gu Yao returned home sadly after being hit by the news of her husband's cheating. Cheng Hao's brother Zhang Mingyang met Gu Yao at the airport. He was known as a "love expert" but he was at a loss and had to seek help from Cheng Hao. Unexpectedly, Gu Yao was Cheng Hao's secret crush in college. As the CEO of the company, Zou Beiye was under mental pressure and often drove a special car at night to kill his insomnia. On the way, he met Qiao Yilin, who had a variety of styles. The two gradually drifted apart due to misunderstandings, and finally harvested the expected love with the help of Cheng Hao. The relationships among several urban white-collar workers are complicated, but in the end they all found their suitable partners and also gained growth.