Ever since he started dating Taegeon, Yuan has been drowning in constant anxiety. Driven by the desperate fear of losing him, Yuan finally snaps and does the unthinkable: he kidnaps Taegeon and locks him away. But when Yuan is bracing himself for rage, tears, and disappointment, his mature, gentle boyfriend just smiles softly instead. With the doors locked, they drop their masks, revealing their true selves—one full of anxiety, and one full of obsession.