江(jiang)南八(ba)大俠主(zhu)要(yao)講述了康熙(xi)駕崩，雍(yong)(yong)(yong)正(zheng)(zheng)繼位，雍(yong)(yong)(yong)正(zheng)(zheng)不顧道義(yi)，下(xia)令(ling)命年(nian)羹(geng)堯(yao)(yao)誅殺雍(yong)(yong)(yong)正(zheng)(zheng)的(de)同門師兄弟江(jiang)南八(ba)俠，但呂四(si)娘(niang)(niang)等幾(ji)人(ren)逃脫，并(bing)誓(shi)殺雍(yong)(yong)(yong)正(zheng)(zheng)。年(nian)羹(geng)堯(yao)(yao)屢戰告捷(jie)，為雍(yong)(yong)(yong)正(zheng)(zheng)打下(xia)半壁(bi)江(jiang)山，也因此(ci)自恃(shi)功高(gao)蓋主(zhu)，在慶(qing)功宴上(shang)酒后失態，無視雍(yong)(yong)(yong)正(zheng)(zheng)，并(bing)出(chu)言不遜激怒雍(yong)(yong)(yong)正(zheng)(zheng)，雍(yong)(yong)(yong)正(zheng)(zheng)下(xia)旨(zhi)將年(nian)羹(geng)堯(yao)(yao)降(jiang)職，最后貶為城門護(hu)衛，并(bing)暗中派(pai)血滴子誅殺年(nian)羹(geng)堯(yao)(yao)，幸得呂四(si)娘(niang)(niang)幾(ji)人(ren)及時(shi)趕(gan)到，年(nian)才得以逃脫。年(nian)羹(geng)堯(yao)(yao)怪自己(ji)有眼(yan)無珠，自挖雙眼(yan)后含恨自盡(jin)，并(bing)在死前告知(zhi)呂四(si)娘(niang)(niang)宮(gong)中秘道以便行刺。呂四(si)娘(niang)(niang)幾(ji)人(ren)入宮(gong)行刺不成(cheng)，便改施美人(ren)計，安插眼(yan)線進宮(gong)，終于(yu)成(cheng)功刺殺雍(yong)(yong)(yong)正(zheng)(zheng)。