1. Episode 1

When he initially meets Lee Yeong-jae, On Jun-yeong only sees traits he dislikes in women. But he realizes that first impressions aren’t everything.

2. Episode 2

Jun-yeong lays out a meticulous plan for his date with Yeong-jae and later invites her to an event hosted by his department at school.

4. Episode 4

After a gap of seven years, day two of Yeong-jae and Jun-yeong’s relationship finally begins, but Jun-yeong finds that dating has its own challenges.

5. Episode 5

Jun-yeong uses his detective skills to investigate Yeong-jae’s attractive client. After a stressful day, Yeong-jae goes out with a new acquaintance.

6. Episode 6

Jun-yeong’s anxieties persist after the fashion show. Yeong-jae wonders why Jun-yeong hasn’t called on her birthday when Choe Ho-cheol stops by.

7. Episode 7

Yeong-jae and Jun-yeong deal with the consequences of their fights. The police station welcomes a new officer who shares some of Jun-yeong's quirks.

8. Episode 8

Yeong-jae takes offense at Jun-yeong’s reaction to her photo spread. Jun-yeong’s team tries to capture a dangerous criminal with Min Se-eun’s help.

9. Episode 9

Yeong-jae begins to feel uncertain about her relationship with Jun-yeong and seeks Ju-ran’s advice. Ho-cheol has something to say to Jun-yeong.

10. Episode 10

Yeong-jae knows how she feels about Jun-yeong, even while he grows more desperate. Ju-ran reluctantly goes to the movies with Su-jae.

11. Episode 11

Jun-yeong’s sudden decision upsets his parents, but he finds a new career path while traveling in Portugal, where he later runs into a familiar face.

12. Episode 12

Jun-yeong and Se-eun start thinking about the future, but he later learns through a chance meeting that Yeong-jae is facing big changes of her own.

13. Episode 13

Jun-yeong introduces Se-eun as his fiancée to Yeong-jae. Jun-yeong and Se-eun talk about returning to Lisbon. Ju-ran gets shocking news at the hospital.

14. Episode 14

Jun-yeong and Se-eun visit her hometown to meet her family, but they later end up having their first fight. Ju-ran asks Yeong-jae for a favor.

15. Episode 15

While their families get ready to meet one another, Se-eun deals with Jun-yeong’s confession. Yeong-jae assures Jun-yeong that she’ll be okay.

16. Episode 16

On the day of the big occasion, Jun-yeong’s family is surprised to see him returning to the house. Su-jae and Ju-ran take a trip before her surgery.