After a tragic day years ago, Kim Taeyeon was left to pick up the pieces and move on with her life. But she hasn't. She shuts herself to the world, and has vowed never to fall in love ever again.

Jung Jessica, a first year university student, she is looking for a work place. Her place is compilcated enough with a diffcult past that won't go away. When Jessica arrives at Taeyeon company for a job, she meets the beautiful boss for the first time. Taeyeon not acknowledging the person she gives Jessica the cold shoulder.