A death. A note. A truth no one dares to uncover.

Veyn Kmerst—a sharp-witted but amnesiac student—finds himself haunted by a name—Milis. With only a lingering sense of loss, his search for answers leads him to Sielsia Serebriakova, a girl who holds the key to his past. But she offers him a deal—if he wants the truth, he must join her mystery-solving club. Veyn delves into the academy’s most perplexing cases, uncovering hidden conspiracies woven deep into the school's foundations. However, the more he learns, the more he realizes that his past is tangled with something far more sinister than he ever imagined. Because in this academy, mysteries aren’t just puzzles to be solved. They are traps. And some truths are buried for a reason.