亡秦一族世子嬴(🐽)单﹝郭(guō )晋安﹞(🍩)天生愚(yú )钝(🕋),但心地善良,该族(🍥)人千多年(🎹)来(lái )居(🥈)于神秘地方巫溪,不为(wéi )世人(rén )所识。嬴(yíng )单(dān )因一(yī )次善心拯(📼)救(😎)闯入族中(🐿)女(nǚ )(🕔)过(guò )墙头﹝曾华倩﹞(🕖)而(ér )流(👁)之族外(✳)。两人成为(🏐)爱侣,却因误会(huì )分开。嬴(🍮)单浪迹江湖,因(yīn )好心助人而(🐖)被利(🔊)用,屡次陷于困(kùn )境,幸(xìng )好皆(jiē )能逢(féng )(⏯)凶化吉。更先后(🌑)认识自命(mìng )不凡的(de )叶(yè )圆﹝张兆辉﹞和(hé )孤僻冷(lěng )傲的(de )白羽﹝吴岱(🎾)融(⏰)﹞,并结为知己。因缘际会,单获名师教授(shòu )武(🥕)功,并变得聪明绝(🕯)顶,与(yǔ )蝴(🤘)蝶夫人(💝)﹝(💹)周海媚﹞相恋(🛎),祸福与(yǔ )共(😊)。后更得(dé )当(dāng )(🌹)朝天子(👪)赏识,成为重(🌼)臣(chén )。怎料单父率领族(🙎)人潜入中原,企图(tú )复(🤥)国。单(dān )处于忠孝两难全(quán )之(zhī )境(🥅),不知如何取(qǔ )舍,此时,过墙(🐖)头出现,与单误(🌸)会(📞)冰释(🏓),更加深了单内心的矛盾