湾仔区巡警陈俊杰(陈奕迅)因为(🐌)七(🍩)年来(🌰)每(měi )日所(suǒ )做都(dōu )(🕸)是(🛍)极有规律毫无变(biàn )化的工(gōng )(🆖)作,渐渐对(duì )警察一(yī )职(🐮)失(shī )去(💤)激情(🎾),上(🌫)面(miàn )派来(lái )(🎲)小师妹廖(liào )得男(容祖儿)与他一起巡逻时,眼见对方满(💆)腔热情(🥄)事(shì )事(shì )认真,他冷眼旁观之余,会不时(shí )地(dì )冷嘲热讽,遇到疯子(zǐ )王成(🔊)((💞)吴镇宇)时,陈俊杰(jié )也只(zhī )当(🛑)他为精神(🔢)病人(💱)指给(gěi )(🌑)廖得男看。