There are thousands of orphans around the world because of several reasons such parent's divorce, economic situation, teenage unmarried mother and so on. The director wants to describe emotional changes between those parents and orphans

Yoona has managed to mature into a fine woman despite her rough childhood. One day, when Yoona finds out that her mother has become ill, she travels home for the first time in a long while. However, this trip doesn't become what Yoona was expecting it to be.