Secret Playlist summary: Hanju is your ordinary university student… except for the fact that she’s also the up-and-coming Metube cover artist, PLII. When popular boy group member Levi takes notice of PLII and requests to collaborate, Hanju will do anything to hide her secret identity. But as the two grow closer working on a class project, Hanju’s cover begins to unravel. Will Levi discover her secret?