Kang Hye Mi is an office worker who's been at KS International for 4 years. She used to always be confident and energetic but lost her confidence and her faith in love after witnessing her scum ex-boyfriend cheating on her. To make matters worse, her ex-boyfriend is a general manager at her company, and she can't avoid running into him. Like with all office romances, after breaking up with him, she becomes the topic of all kinds of rumors. The stress and difficulties have been enough for her to constantly consider resignation.