A song like a miracle falls in front of 20-year-old Joseph who has nothing. One day while they were having a happy time singing 'that song' like fate, a man with everything, even the owner of the song, appears in front of Joseph.

Jeong-eun is dispatched to a subcontracting company. She tries to fit in, but her co-workers aren't comfortable around her and she's completely new to field work. Despite all that, she wants to stay on for a year and then return to headquarters, no matter what. Thanks to a newbie's help, she slowly adjusts to her new workplace.