『大(da)(da)胸嫩模』介紹(shao):干探(tan)(tan)雷大(da)(da)勇(yong)(yong)(萬梓良(liang) 飾(shi)(shi))和(he)(he)上司沈Sir(任達華 飾(shi)(shi))合得(de)來,和(he)(he)高級督(du)察(cha)葉振強(呂良(liang)偉 飾(shi)(shi))感情也非常不錯;張啟華原(yuan)是(shi)一(yi)個好探(tan)(tan)員,他(ta)被(bei)誣販毒坐了(le)(le)十(shi)年(nian)冤(yuan)獄,出獄后他(ta)先(xian)殺(sha)了(le)(le)退休(xiu)探(tan)(tan)員豬(zhu)頭炳,下一(yi)個目標是(shi)雷大(da)(da)勇(yong)(yong),因為他(ta)認(ren)為他(ta)倆是(shi)陷害他(ta)的對頭人。大(da)(da)勇(yong)(yong)和(he)(he)富家子發(fa)生(sheng)爭執(zhi),不久富家子被(bei)殺(sha),大(da)(da)勇(yong)(yong)被(bei)指為兇(xiong)(xiong)(xiong)手,他(ta)從警署中逃(tao)出來找真兇(xiong)(xiong)(xiong)。啟華和(he)(he)大(da)(da)勇(yong)(yong)遇(yu)上了(le)(le),發(fa)生(sheng)打斗,振強趕到告知他(ta)們內幕真相,真兇(xiong)(xiong)(xiong)原(yuan)來是(shi)沈Sir。沈Sir偵知啟華,大(da)(da)勇(yong)(yong)的下落,和(he)(he)手下趕到欲殺(sha)他(ta)們滅口,一(yi)番激戰(zhan)之后,啟華和(he)(he)沈Sir槍戰(zhan)中死亡,振強和(he)(he)能(neng)證明大(da)(da)勇(yong)(yong)冤(yuan)枉的證人海倫亦受傷(shang),大(da)(da)勇(yong)(yong)僥幸沒有(you)受傷(shang),沉冤(yuan)得(de)雪。