『真實親子亂子倫中』介(jie)紹(shao):1947年冬,為了(le)(le)從土匪(fei)手中奪取控制東(dong)北(bei)九嶺上萬先遣軍(jun)的(de)(de)(de)分(fen)布圖,東(dong)北(bei)民主聯(lian)軍(jun)203小分(fen)隊(dui)隊(dui)長少(shao)劍波(林更(geng)新 飾(shi))委派(pai)偵查員楊(yang)(yang)(yang)(yang)子榮(rong)(張涵予 飾(shi))臥(wo)底潛入最大(da)(da)的(de)(de)(de)土匪(fei)山頭“威(wei)虎山”。楊(yang)(yang)(yang)(yang)子榮(rong)憑借(jie)自己(ji)的(de)(de)(de)機智應變獲(huo)得了(le)(le)匪(fei)首(shou)座山雕(梁(liang)家輝 飾(shi))和座下八大(da)(da)金(jin)剛的(de)(de)(de)賞識,被封為威(wei)虎山“老(lao)九”。座山雕天生多(duo)疑,多(duo)次派(pai)人(ren)試探楊(yang)(yang)(yang)(yang)子榮(rong),楊(yang)(yang)(yang)(yang)子榮(rong)一面(mian)(mian)與(yu)土匪(fei)多(duo)方周旋,一面(mian)(mian)涉險為山下戰(zhan)友(you)傳出情報。一波未(wei)平(ping)(ping)一波又起,被203小分(fen)隊(dui)生擒的(de)(de)(de)土匪(fei)聯(lian)絡副官欒平(ping)(ping)(杜奕衡 飾(shi))趁亂逃脫(tuo),知道楊(yang)(yang)(yang)(yang)子榮(rong)臥(wo)底詳情的(de)(de)(de)他(ta)竟(jing)出現在威(wei)虎寨中與(yu)楊(yang)(yang)(yang)(yang)子榮(rong)當面(mian)(mian)對質,楊(yang)(yang)(yang)(yang)子榮(rong)腹背(bei)受敵陷入全面(mian)(mian)危機......