Seonghyuk, who spends a day helping his father’s pension for free, welcomes three guests of the pension, Kijin, Joohee, and Sunyoung who visited one day. After receiving an offer from them to have dinner together, Gijin and Sunyoung leave their seats, and Joohee and Sunghyuk left behind go outside… Who will be the final winners of their elaborate brain games?
