Kim Byeong Yeon's grandfather Kim Ik Soon is the person who surrendered to Hong Gyeong Rae's birth. As a result, Byeong Yeon did not get a job title even though he had the Jangwon grade system. Frustrated, he puts on a hat and begins a wandering life. Wherever Kim Satgat goes, poems containing satire and ridicule about the world remain.