Byun Baekhyun was an average person. But after he fainted that day, he could hear everyone's thoughts if he look at them. But there was this girl he met. He couldn't hear her thoughts at all. Only her. Why only her?

Lee Seoyeon is a girl who works part time to get money as much as she can. For what? To run away from her father. She has a bad memories regard her friends. She has a routine daily life that is way too boring. But after she met this guy, her life seems to be different.