ThedramadepictsKimMinJae,atransferstudentmajoringinPracticalMusicandworkingpart-timeatthelibrary,andLeeKyuHo,aTaekwondomajorwhohelpedhim.Sincetheirfirstmeeting,thetwohavebecomeentangledandcloser,leadingthemtodeveloparomanticrelationship.
李光洙,金汎,崔恩静,许嘉允,李顺载,徐信爱,申世京,陈智熙,张恒准,柳淳哲,郑锡元,申秀妍,金彗星,朴智妍,金景龙,崔丹尼尔,尹施允,林在建,金慈玉,丁一宇,郑普硕,郭正旭,李起光,宋秀贤,吴贤庆,黄正音,朱利安·姜,刘寅娜