The moment Lee Joon enrolls at Minsong University to reconnect with Kim Margo, his high‑school infatuation, he is assaulted by the new neighbor Lee Duna, a stunning former idol. Aggressive and reckless, Duna upends Joon"s reality. Subsequently, to Joon"s bewilderment, Margo appears unable to spare time for a rendezvous. Adding to his frustration, Joon encounters fellow student Choi Ira at a celebration. She falls for him after they engage in an edgy game. As Joon gradually learns of Duna"s troubled history and Margo"s austere family background, he strives to untangle his conflicted emotions. He realizes that love"s path is tangled, unpredictable, and full of surprises.
