Soo-kyung works as a reporter. She has an older brother, Sung-ho, and younger sister, Joo-mi. She thinks of her two siblings as burdens. One day, Nak appears in front of them. He is their youngest sibling.
| Actor | Role |
|---|---|
 Lee Yo-wonSoo-kyeong | Soo-kyeong |
 Jeong Man-sikSeong-ho | Seong-ho |
 EsomJoo-mi | Joo-mi |
 Jeong Joon-wonOh-nak | Oh-nak |
 Kim Hye-eunSoon-im | Soon-im |
 Jeong Ae-hwaNeighbor | Neighbor |
 Yoon Kyung-hoDal-ju | Dal-ju |
 Lee Do-gyeongMaeng-dal | Maeng-dal |
 Park Yong-suJong-do | Jong-do |
 Jung Hyung-sukYong-cheol | Yong-cheol |
 Choi Moon-kyoungReporter | Reporter |
 Choi Il-hwaPresident Moon | President Moon |
 Choi Joon-hoPresident Moon's Driver | President Moon's Driver |
| LLee Tae-yoonPolice | Police |