Drained from her life in the city, a young cellist moves to a quiet small town, where she encounters an old friend who helps her heal and remake herself.
Jeong-ju lives a wasted life of alcohol and cigarettes after losing her son. One day Min-gu, a man recently released from prison appears in front of Jeong-ju. Seeing him, Jeong-ju is reminded of the events from twelve years ago, bringing back her forgotten guilt.
At Incheon International Airport, brilliant but distant engineer Lee Soo-yeon and clumsy, idealistic rookie Han Yeo-reum cross paths as they navigate tough challenges, personal secrets, and unexpected connections in their new jobs.
