阿(a)洪(hong)(hong)(hong)是澳(ao)門一酒(jiu)店待者，某日在酒(jiu)店內(nei)一水警高官及一名(ming)流太太被(bei)謀(mou)殺，阿(a)洪(hong)(hong)(hong)目(mu)擊兇手(shou)面目(mu)，更將(jiang)他擒獲，惜洪(hong)(hong)(hong)的老阿(a)才，竟誤將(jiang)兇手(shou)放走(zou)，更被(bei)他愚弄一番。接著暗集(ji)團中人假扮警方，邀(yao)洪(hong)(hong)(hong)去助(zhu)查(cha)，途中欲加殺害，幸(xing)洪(hong)(hong)(hong)吉
