The leader of a girl band and an entertainment reporter are forced into many outrageous situations after they switched bodies. Son Chaeyoung is a popular and big star in the entertainment industry. She is a cold and distant leader of a popular girl band. Whereas in reality, she's simply not good at expressing herself ever since her parents divorced when she was young. Meanwhile, Myoui Mina is an entertainment reporter who keeps running up against the stone wall at work. Their lives weren't mean to be intersect but an accident results in the two exchanging bodies on their birthday sick which happens to fall on the same day. The sudden change catches them off guard and with only each other to turn to for support in the days and nights that followed, Chaeyoung and Mina gradually fall in love.