Cheon Doong and Ah Ra come to Seoul to look for work after the unification of the South and North.

35 years old, divorced and single, Yi Xing Yan met Zhou Si Xing, a young career junior and her former student in the company. The age gap, the pressure of reality, and the company's system ultimately did not hinder their advent of love. In the process of trying to get along, there is the sweetness of love, and it is full of differences that cannot be ignored. Yi Xing Yan and Zhou Si Xing were learning how to love each other better during their running-in. However, her ex-husband failed to reconcile and used despicable means to separate the two, which triggered a crisis of unemployment for the two.

Ruco plays Luk Kung Ji, he's a Malaysian tour guide, loves to play and sweet talks, but his real job is a Hong Kong music producer. He fled to Malaysia because he broke up with girlfriend Hong Yi Kiu (Elaine Yiu), then met Law Sik Sik (Aimee Chan), who also fled to Malaysia because she broke up with her fiance Ching Jin Pok (Matt Yeung). Aimee becomes the head of the travel agency after going to Malaysia and meets Ruco there. They became a bickering couple and developed feelings, but Ruco still had a knot in his heart and so they were unable to develop further; Ching Jin Chan (Lin Xiawei) is a silly girl who easily falls in love. Because Ruco showed some care for her, she fell in love with him and later falls for dessert chef Chin Chun (Tony Hung) too. Since she loves desserts, she asked Tony to be her cooking teacher and later finds out he has a crush on Aimee. She captured it on video and used it to threaten Tony to fulfill 3 wishes for her; Tony and Aimee are best friends, like sisters, but Tony secretly loves her. He's a strict person and is a hardcore instructor to Lin Xiawei; Elaine is a singer-songwriter, dated Ruco before; Matt and Lin Xiawei are siblings, and Aimee's ex-fiance. In front of Aimee, he acts very loving and caring, but in fact he's a player. He cheated on her with Wong Kei Ying (Samantha Ko); Samantha was Aimee's good friend, but the intimate clips of her affair with Matt were exposed at Aimee and Matt's engagement party, the couple broke up instantly.

Do Hoon and Soo Jin are a married couple. Do Hoon learns that he has Alzheimer's disease. He decides to divorce Soo Jin out of concern for her future. The couple divorces.

6 years later, they meet again.

Amamiya Kuniyuki is the unemployed son of a tonkatsu restaurant owner. He finds a job that requires a married person, so he lies by saying that he has plans to marry, and he is forced to keep up the charade using Hida Haruno, a part-time worker from the restaurant. The relationship between the two is the key of this romantic comedy, though the series also focuses on family and friendship through Nakai's interactions with the other characters.

Nakamura Rui is a divorced but highly successful producer in publishing. She meets Suzuki Kou, an ambitious buisiness man 17 years her junior, and finds herself getting aggressively persued by him. Eventually they begin a steaming affair. Meanwhile, a young couple moves into the house next to Nakamura's and the wife (Suzuki Marie) begins to confide in her about the frustrations of their conjugal life.