Han Seo-ah

Hwa-jeong and Geon-woo are getting married soon. Geon-woo introduces his friends, Jae-kyeong and Yi-soo, to Hwa-jeong. After a few drinks, everyone goes to Yi-soo's house for a second round. The party ends late at night and Jae-kyeong, who is a lightweight, staggers to the bathroom. He then mixes up the rooms and falls asleep in the room Hwa-jeong is sleeping in. By accident, Jae-kyeong ends up sleeping with his friend's bride.

Ahn Dami is home alone in a house where her husband doesn’t come back. He doesn’t come back until morning and she’s alone again. She goes to the fitness club to work out. However, her target is not just working out. After she lost the first love she gave everything up to, she decides to live the rest of her life as a hot woman. Then the first love she thought had disappears and appears again in front of her…

Thanks to her wealthy father, Yoo-jin runs a coffee shop. One day she runs into childhood friend Mi-ae on the streets and they have a good time catching up. Mi-ae is currently unemployed and helps Yoo-jin at the coffee shop. Min-soo stops by the café to see his daughter, but realizes he feels rather too fond of Mi-ae, who welcomes him.