A middle-aged lady, Myung-ja becomes one of the candidates for an amateur swimming competition. Myung-ja doesn’t want to let a teenage girl, Ji-gyu get the chance.
| Actor | Role |
|---|---|
 Kim Ja-youngMyung-ja | Myung-ja |
| PPyo Seung-yeonJi-gyu | Ji-gyu |
 Kang Gil-wooSwimming instructor | Swimming instructor |