『芒果(guo)視(shi)頻』介紹:1947年(nian)冬,為了從(cong)土匪(fei)手中奪取控制東(dong)(dong)北(bei)九(jiu)嶺上萬(wan)先遣軍的(de)分布圖,東(dong)(dong)北(bei)民主聯(lian)軍203小分隊(dui)(dui)隊(dui)(dui)長少劍波(林更新 飾(shi))委(wei)派偵查員(yuan)楊(yang)子(zi)(zi)榮(rong)(rong)(張(zhang)涵予(yu) 飾(shi))臥(wo)底潛(qian)入(ru)最大(da)(da)的(de)土匪(fei)山(shan)(shan)頭(tou)“威(wei)(wei)虎(hu)(hu)山(shan)(shan)”。楊(yang)子(zi)(zi)榮(rong)(rong)憑借自己(ji)的(de)機智應變(bian)獲得了匪(fei)首座山(shan)(shan)雕(梁家(jia)輝 飾(shi))和(he)座下(xia)八大(da)(da)金剛的(de)賞識,被封為威(wei)(wei)虎(hu)(hu)山(shan)(shan)“老(lao)九(jiu)”。座山(shan)(shan)雕天(tian)生多疑,多次派人試(shi)探楊(yang)子(zi)(zi)榮(rong)(rong),楊(yang)子(zi)(zi)榮(rong)(rong)一(yi)面與土匪(fei)多方周旋,一(yi)面涉險為山(shan)(shan)下(xia)戰(zhan)友(you)傳出(chu)情報。一(yi)波未平一(yi)波又起,被203小分隊(dui)(dui)生擒的(de)土匪(fei)聯(lian)絡副官(guan)欒平(杜奕衡 飾(shi))趁(chen)亂逃脫,知道(dao)楊(yang)子(zi)(zi)榮(rong)(rong)臥(wo)底詳情的(de)他竟出(chu)現在威(wei)(wei)虎(hu)(hu)寨中與楊(yang)子(zi)(zi)榮(rong)(rong)當(dang)面對質,楊(yang)子(zi)(zi)榮(rong)(rong)腹背(bei)受敵陷入(ru)全面危機......