No Eul (Bae Suzy) had an unrequited love for Joonyoung (Kim Woo Bin) when they were young. In adulthood, the pair ends up meeting again as an audacious Korean pop star and an obsequious and materialistic documentary producer. As No Eul films the documentary on Joonyoung, they come to know each other's pasts and discover things that have changed about each other, giving rise to the beginning of a passionate relationship.