Sangtae and his teenage daughter Doyeon are constantly arguing and haven't had a genuine conversation in years. When their souls are switched by a magical force for seven days, they must learn to tackle the awkward and unfamiliar situation in each other's shoes.
| Actor | Role |
|---|---|
 Yoon Je-moonWon Sang-tae | Won Sang-tae |
 Jung So-minWon Do-yeon | Won Do-yeon |
 Lee Il-hwaMom | Mom |
 Shin GuGrandfather | Grandfather |
 Lee Mi-doNa Yun-mi | Na Yun-mi |
 Kang Ki-youngJoo Jang-won | Joo Jang-won |
 G.OJeon Dong-gil | Jeon Dong-gil |
 Min Do-heeBae Jin-young | Bae Jin-young |
 Heo Ga-yoonAhn Gyeong-mi | Ahn Gyeong-mi |
 Park Hyuk-kwonJung Byung-jin | Jung Byung-jin |
 Lee You-jinKang Ji-oh | Kang Ji-oh |
 Jang Won-youngKwon | Kwon |
 Park Myung-sooConvenience store owner | Convenience store owner |
 Kim In-kwonTaxi Driver | Taxi Driver |
 Yoon Jin-youngDoctor | Doctor |
 Park Jong-beomStaff | Staff |
 Kim Jong-gooPresident | President |