丁家历代皆以捉拿犯案人为业，故其传人被尊称为飞鹰。神秘人出重金托丁岚追查拜月教余孽的下落。调查时岚堕入其母的布局，被安排与富家小姐倪天儿成亲，岂料岚逃去无踪，儿怒不可遏，誓要找岚报复。 　　岚与丁少白结识了赵灵，更往折剑山庄拜访其有「武林圣人」之称的父亲赵鸿毅，岚对他极为尊崇，惟无意发现其妻水如竟为横行江湖的四恶之幕后主脑，而委托他办案的神秘人乃折剑山庄之总管韦经纶。 　　岚遇上绝色名妓素素，展开热烈追求，最后才知她是儿。岚与儿再度成亲之日，倪老太被四恶杀死，此时儿才得悉自己乃拜月教的唯一传人，而毅乃其杀父、杀外祖母仇人。儿背负血仇，练成绝情刀，把毅推下万丈深谷，因此被不知实情的武林义士追杀。岚为救儿，被指勾结魔教，弄致家破人亡。当儿以为大仇已报，竟发现毅仍未死去...

丁家歷代皆以捉拿犯案人為業，故其傳人被尊稱為「飛鷹」。神秘人出重金託丁嵐追查「拜月教」餘孽的下落。調查時丁嵐墮入其母的佈局，被安排與富家小姐倪天兒成親，豈料丁嵐逃去無蹤，天兒怒不可遏，誓要找丁嵐報復。丁嵐與丁少白結識了趙靈，更往折劍山莊拜訪其有「武林聖人」之稱的父親趙鴻毅，丁嵐對他極為尊崇，惟無意發現其妻水如煙竟為橫行江湖「四惡」的幕後主腦，而委託他辦案的神秘人乃折劍山莊之總管韋經綸。丁嵐遇上絕色名妓素素，展開熱烈追求，最後才知她是天兒。丁嵐與天兒再度成親之日，倪老太被四惡殺死，此時天兒才得悉自己乃拜月教的唯一傳人，而毅乃其殺父、殺外祖母仇人。天兒揹負血仇，練成絕情刀，把毅推下萬丈深谷，因此被不知實情的武林義士追殺。丁嵐為救天兒，被指勾結魔教，弄致家破人亡...。

The Ding family has been in the business of catching criminals for generations, and their descendants are honored as "Flying Eagles". A mysterious person hires Ding Lan to investigate the whereabouts of the remnants of the "Baiyue Sect" at a high price. While investigating, Lan falls into his mother's scheme and is arranged to marry wealthy young lady Ni Tian'er. Unexpectedly, Lan disappears without a trace, which makes Tian'er furious and determined to seek revenge. Lan meets Zhao Ling and his father Zhao Hongyi, who is known as the "Sage of Martial Arts", at the Zhejian Mountain Villa. Lan respects him, but accidentally discovers that his wife Shui Ru is the mastermind behind the "Four Evils" gang. The mysterious person who entrusts him with the case is Wei Jinglun, the manager of the villa. Lan meets the beautiful courtesan Susu and pursues her passionately, only to find out later that she is actually Tian'er. On the day when Lan and Tian'er get married again...