Mi-sook raised her son Tae-ho alone after being widowed early by her husband. Then there was a man who comforted her lonely heart, and he was none other than Hyeon-dong, her son's best friend! For his son Tae-ho, who still doesn't know anything about this, Mi-sook suggests that they go on a trip with her high school alumni, Se-ryeong and Eun-hye, and tries to carry on her dizzying relationship with Hyeon-dong.
| Actor | Role |
|---|---|
 Jin JooEun-hye (은혜) | Eun-hye (은혜) |
 Lee Eun-miMi-sook (미숙) | Mi-sook (미숙) |
 Shin Yeon-wooTae-ho (태호) | Tae-ho (태호) |
 Se RinSe-ryeong (세령) | Se-ryeong (세령) |
 Shin Joon-hyunHyeon-dong (현동) | Hyeon-dong (현동) |