Warnings: Rape, murder, mentions of torture and death. Mental health issues
Genre: Crime thriller/mystery
Summary: Autumn in Seoul is beautiful, the leaves on the trees take on stunning hues of russet and gold, but not everything is beautiful in this season. With 4jib promotions coming to an end Super Junior's Lee Sungmin is suffering from exhaustion and crippling nightmares, seeing death wherever he goes. On the other side of Seoul Detective Ahn Taehyun is suffering a nightmare of his own. A sadistic serial killer is preying on young men and Taehyun will do anything within his power to stop him. Even when the price might be his own reputation, career or life.