Andrea had just turned fifteen when he decided to take his life. He seemed to be a happy teenager, with good grades at school and an excellent relationship with his parents. There seemed to be no explanation for what he …

湖底打捞出一条断臂，五指涂满血红蔻丹，却不见身体其他部位；警方选择消极处理，唯有女侦探异常积极查缉。湖的对侧发生一起年轻女子非意外溺水事件，所幸女子被陌生男子救起，但不待她恢复意识，男子便先行离去。白天，男子是按表操课的…