『甜餅(bing)寫手(shou)』介(jie)紹:重(zhong)(zhong)案(an)(an)組探長文方(黎明 飾(shi))自(zi)兩(liang)月(yue)前妻子遇害后(hou)(hou),脾氣(qi)變得(de)暴(bao)躁古怪,因對(dui)犯(fan)人(ren)動(dong)(dong)粗經常被人(ren)投訴。一(yi)樁妓女被殺(sha)案(an)(an)的(de)調查過程中(zhong)(zhong),文方認識了總(zong)區(qu)重(zhong)(zhong)案(an)(an)的(de)高(gao)(gao)級督察紀少群(任(ren)賢(xian)齊(qi) 飾(shi)),并派手(shou)下(xia)(xia)幫他找回了被偷走(zou)的(de)手(shou)機。妓女被殺(sha)案(an)(an)調查與(yu)一(yi)宗槍火案(an)(an)交織在一(yi)起,重(zhong)(zhong)案(an)(an)組和(he)調查槍火案(an)(an)的(de)分隊聯合行動(dong)(dong),不料(liao)伏擊行動(dong)(dong)遭泄露,雙(shuang)方在茶樓展開激戰,文方手(shou)下(xia)(xia)兄弟(di)身受重(zhong)(zhong)傷,紀警(jing)官也隨(sui)后(hou)(hou)趕到(dao),在協(xie)助(zhu)追趕嫌(xian)(xian)犯(fan)途中(zhong)(zhong)被嫌(xian)(xian)犯(fan)開槍擊中(zhong)(zhong)。妓女被殺(sha)案(an)(an)嫌(xian)(xian)犯(fan)初步鎖定重(zhong)(zhong)案(an)(an)組探員(yuan)(yuan)高(gao)(gao)祥安(an)(廖啟志(zhi) 飾(shi)),文方因包庇手(shou)下(xia)(xia)被停職。在眾多兄弟(di)的(de)協(xie)助(zhu)下(xia)(xia),重(zhong)(zhong)案(an)(an)組抓(zhua)到(dao)高(gao)(gao)祥安(an)口中(zhong)(zhong)的(de)戴漁帽的(de)嫌(xian)(xian)犯(fan),嫌(xian)(xian)犯(fan)對(dui)殺(sha)人(ren)案(an)(an)供認不諱。在壓送(song)嫌(xian)(xian)犯(fan)過程中(zhong)(zhong)嫌(xian)(xian)犯(fan)打個手(shou)銬并打傷祥安(an)逃(tao)脫,接二兩(liang)三的(de)事故(gu)讓文方對(dui)警(jing)界內部人(ren)員(yuan)(yuan)產生懷疑,在探員(yuan)(yuan)小美(葉璇 飾(shi))的(de)協(xie)助(zhu)下(xia)(xia),文方終于找出隱匿于警(jing)界之(zhi)中(zhong)(zhong)的(de)“老鬼”……