神刀门门主白天羽，在边城梅花庵遭人埋伏意外身亡，成为武林一段扑朔迷离的公案。二十年后，傅红雪为了查清父亲遇难的真相，从西域边疆回到了中原。与此同时，白天羽和花白凤的亲生儿子叶开也来到边城。两人历经曲折，终于查明幕后主使正是白天羽的结拜兄弟、万马堂堂主马空群。马空群的女儿马芳龄是武林第一美女，性格开朗的叶开爱上了她，可马芳龄却钟情于沉默内向的傅红雪。三个性格迥异的年轻人在爱恨之间纠缠，最终在小李飞刀“大爱”的感化下，叶开斩断了傅红雪砍向马空群的刀，原来傅红雪并不是白天羽的儿子。叶开宽恕了马空群，与傅红雪并肩作战，惩恶扬善，扫清了危害武林的毒瘤。 Knife door Lord Bai Tianyu, in the town was an ambush plum accident, become a whirling in the middle of martial arts. Twenty years later, Fu Hongxue's father was killed in order to find out the truth from the western frontier to the central plains. At the same time, day feather and flower son vane Baifeng also came to the border town. Two people finally find out behind the twists and turns, it is the day Yu's sworn brothers and a horse Kongqun main cyclones. Ma Kongqun daughter Ma Fangling is martial arts first beauty, cheerful vane fell in love with her, Ma Fangling was in love with quiet fugongxue. Three different personalities of the young people in between love and hate entanglement, eventually under the action of Xiao Li heaveho "big love", vane cut the fugongxue Kanxiang horse Kongqun knife and original fugongxue and not day feather son. Forgive the horse Kongqun vane, alongside Fu Hongxue, good and evil, clearing the cancer in the hazards of martial arts.