15-year-old Young-sun, abandoned by her adoptive parents and left with nowhere to go, temporarily stays at the home of Sua, whom she met as a tennis training partner. Young-sun, wanting to stay at Sua's house for a long time, tries hard to become part of the family, but Sua and her family find Young-sun burdensome.
- PUAN VER
Künye
Yun Sim-kyoungYönetmen, Senaryo
Choi Myeong-binYoung-sun
Moon Seung-ahSua
Kim Tae-hunSeong-woo
Yoo Da-inJi-yeong
Leem Seung-minGi-ho
Jeong Ji-inNun
Lim Seung-beomCoach