Scent. Scent. Scent. What is this strange scent? A story about Moonbyul and Solar developing misunderstandings after discovering that the other had a foreign scent. After the old married couple cleared the air, they learn new things about their relationship. The events in the story are based loosely on the third quarter of 2022 and Yonghee's wedding.

Moonbyul is Solar's self-declared number 1 fan, Colleague 1. Solar also thinks that Colleague 1 is very important to her. However, things are challenging that status quo and they start to uncover new feelings for each other. Their journey starts from the time Solar and Moonbyul goes to the deserted island. Inspired by real-life events.