Yan Fei, CEO of Love Science Marriage Agency , usually uses big data to help countless single men and women find their best lives Partner, but when Yan Fei accidentally reunited with her brother next door, who had been in love with her for many years, the handsome ex-husband returned to China to seek reconciliation. When Xingdong meets big data love, who is the right person? Will Yan Fei bravely choose the brother next door who makes her beloved, or will she reunite with her ex-husband who has a personality after running-in? A piece of the most romantic healing relationship is the beginning of redemption.

Yan Fei and Xiaozhu Xuanyu, who reunited after twelve years, finally summoned the courage and invited Yan Fei to the hair salon where he worked. The two of them talk about their work and their dreams as if they were back in time. Yan Fei could completely relax herself in front of Hsuan Yu. She accidentally fell asleep when he was washing her hair. Unexpectedly, when she woke up, Hsuan Yu was only one centimeter away from her...