The series explores the relationship of two people as they go from being "just acquaintances" to "a genuine couple". Jin-ah is a 30-something district supervisor at a major coffee/cafe franchise and Joon-hee is a 20-something animator for video games. When he returns from working abroad, he reconnects with Jin-ah — who also happens to be the best friend with Joon-hee's sister since childhood. The episodes give an intimate look into how they fall in love, struggle with their age differences, and find the courage to go public with their relationship to everyone around them. A secondary storyline follows the struggles that female employees face in the company Jin-ah works for as they try to climb the corporate ladder amidst severe sexual harassment from male superiors. A culture considered to be normal but unspoken in South Korean companies.
Themes of Taboos
The driving narrative around the story centers around South Korean taboos concerning relationships:
Dating Taboos - An older female dating a younger male is considered scandalous.
Familial Taboos - People who grow up without parents or present parental figures are considered "unfit" for marriage.
Job Taboos - People should only associate with people who are of a certain educational background, occupational position, or wealthy class status.
Career Taboos - Women are expected to go out and be flirtatious during team dinners to show that they value "team unity".
Drinking Taboos - It is customary to pour your colleagues glass first before and vice versa. If you pour for yourself, it indicates a fractured relationship.
Food Taboos - Usually if an older woman buys a younger male food frequently, it's because of a brother-sister relationship.
The first script reading of the cast was held on January 25, 2018 at JTBC building in Sangam-dong.
As a result of the drama receiving high viewership ratings, a three-day reward vacation to Japan was awarded for the cast and the crew which was scheduled from May 29 to 31, 2018.
Original soundtrack
Part 1
Part 2
Ratings
In this table, represent the lowest ratings and represent the highest ratings.