导演：金钟炫

主演：张瑞姬,李旼赫,宋智仁

In order to improve the manners of the employees, the company director of Isang Plans instructs the team manager to hire a manner teacher. Deputy Hyeon-moo, who lacks proper etiquette knowledge, is oblivious to the importance of manners. One day, a young woman named Yeo Min-jeong introduces herself as the manner teacher. However, strangely enough, she can only be seen by Hyeon-moo. From that moment forward, whenever Hyeon-moo knocks on a door or displays any kind of polite behavior, Yeo Min-jeong materializes and delivers a comprehensive lecture on manners. Their interactions gradually bring them closer together...