Hard Duty: Natsuo, a rookie detective and closeted gay man, secretly admires his calm and stoic senior, Kirino. During a late-night pursuit of a convenience-store thief, the two are overpowered and assaulted, leaving Natsuo shattered and disillusioned. While he begins to distance himself from Koide, the man he once connected with, Koide unexpectedly encounters Kirino at a bar, leading to a dangerous entanglement. As desire, betrayal, and trauma collide, the three officers are pulled into a dark triangle where love and danger blur—and finding a way out becomes increasingly uncertain.