Coincidence brings Gyohwan, a ´keyboard warrior´ who has left home and is moving from gosiwon to gosiwon, and Jeongsu, a ´patriotic senior citizen´ who has fought all his life against the left wing, together who become close like a grandfather and grandson. A black comedy about the two who each prepare for their last big event which leads to disaster.
| Actor | Role |
|---|---|
 Koo Kyo-hwanGyohwan | Gyohwan |
 Dong Bang-wooJeongsu | Jeongsu |
 Park Myung-shinSookhee | Sookhee |
 Jeon Yeo-binTiffany | Tiffany |
 Kim Jong-gooPlaster cast old man | Plaster cast old man |
 Kim Joong-kiGyohwan's father | Gyohwan's father |
| JJeong Bong-yeonBeaten Old Man 1 | Beaten Old Man 1 |
 Lee BomMi-sun | Mi-sun |
 Kim Sang-hyunSang-hyun | Sang-hyun |
| LLee Hyung-gilBeaten Old Man 2 | Beaten Old Man 2 |