《a级b级c级镜片》Do-gyeongjumpedintosavehisstudentJiyongfromdrowning.Afterthetwopassaway,Myeongji,Do-gyeong’swife,andJieun,Jiyong’ssister,areleftaloneintheworld,havingtocopewiththelossoftheirlovedones.MyeongjitravelstoWarsaw,Poland,toavoidherharshreality.Shemeetsanoldfriendandhidesherhusband’sdeathasiftryingtorejectthetragedy.