Five years ago, a university student vanished without a trace. No witnesses. No answers. No justice. When Jeon Jungkook accidentally stumbles upon a hidden clue connected to the unsolved case, his search for the truth leads him to one person everyone seems either afraid of... or obsessed with. Kim Taehyung. Cold. Untouchable. Mysterious. The perfect suspect. Determined to uncover what Taehyung is hiding, Jungkook gets closer to him, unaware that someone is already watching his every move. Because while Jungkook thinks he's chasing the truth- Taehyung has been leading him to it. With secrets buried deep, loyalties constantly tested, and a mystery that refuses to stay in the past, the line between enemy and lover begins to blur. And in a game where everyone is hiding something, trusting the wrong person could be deadly. Or worse. Falling for them.