htrap on Instagram: "Filth is a dark, gritty thriller that plunges into the chaotic mind of Detective Bruce Robertson, a brilliant but deeply flawed cop struggling with addiction, obsession, and moral decay. Set against the grimy streets of Edinburgh, the story follows Bruce as he investigates a high-profile murder while confronting his own inner demons. Manipulative, cunning, and often cruel, he blurs the line between right and wrong, making every move unpredictable. With biting black humor, sh