Campus life at Seoyeon University turns chaotic when an anonymous post by the enigmatic “M” stirs curiosity. Determined to solve the mystery, second-year student Ma Joo Ah teams up with her longtime friend Cha Min Ho, along with Seo Ji Min and Park Ha Neul. As the friends investigate, their relationships grow more complex, with emotions and budding romances adding to the challenge. Will they uncover “M”’s identity, or will the secret remain hidden?
(Source: MyDramaList)
