"What about you? Seeing that I'm happily with another man." Yu-min and Hyun-do, are in their 30s. For some reason, they broke up with their respective lovers, but they actually regret it more than anyone else. The selfish couple, who want their exes to cling onto them, make a plan. That's right, fake dating to provoke their exes! Will their selfish and foolish plans succeed?