Kim Juyeon is a high school student with a strict family. You, an intern teacher at his school who is an alumnus of the high school he currently attends, Seoul High School. But no one knows that you are also a 'silent cupid' in secret. You have the expertise to enter other people's dreams, creating scenarios that match people who like each other but are too shy to express their feelings. But something unexpected happened. Juyeon realized your presence in his dreamscape.