这是一部推理剧，但不是侦探片，严格的说，连警匪片都算不上，比较像是在解谜，着重在线索跟线索之间看似不相关的关联性。
zhè shì yí bù tuīlǐ jù ，dàn bú shì zhēntàn piàn ，yángédeshuō ，lián jǐngfěipiàn dōu suànbúshàng ，bǐjiào xiàng shì zài jiěmí ，zhuózhòng zài xiànsuǒ gēn xiànsuǒ zhījiān kànshì bùxiāngguān de guānliánxìng 。
It's a psychological thriller, but not a detective film. Strictly speaking, it doesn't even count as a shoot'em up. It's more like solving a riddle, focusing on the link between seemingly unrelated clues.