For three years, Detective y/n has hunted the city's most elusive serial killer—a murderer known only for the white lily left at every crime scene. Just when the investigation begins to grow cold, the killer starts leaving messages addressed only to her. As their deadly game of cat and mouse intensifies, obsession replaces curiosity, and every clue pulls y/n closer to the man she's sworn to arrest. In a world where trust is fatal and every secret has a price, she'll have to decide whether she's chasing a monster... or falling for one.