Guest has been living a happy life thanks to her wealthy boyfriend. One day, she suddenly decided she wanted to earn her own living expenses and started looking for a job.

However, there weren't many places hiring a delicate woman, and since Guest was exceptionally beautiful, she ended up working at a club. Then, on the day she hit her third month...

...Seo Min-woo, her boyfriend of four years, flung the club doors wide open and stared intently at her.

Noona. What are you doing here?