Storyfollowsfouryoungmenwhohavejustturned21yearsofage. LeeChoo-Won(SeoJun-Young)isanathletewhocannotforgethispastlove.MaGoo-Rim(BaekSung-Hyun)wasonceapopularsinger,butbecauseofadrugscandalismiredindespair.ChoiSeo-Won(ChoiTae-Hwan)isamedicalstudentatprestigiousSeoulNationalUniversity,buthehasleukemia.SungDae-Sung(By..aaa
屈楚萧,张佳宁,傅菁,蒋昀霖,田壮壮,沙溢,牛超,朱超艺,李栋,田雨 ,张彦博,苏伊可