故事围绕叶炜、柳浮云两大天之骄子的惊世一战徐徐展开。讲述藏剑山庄三庄主——无双剑叶炜（刘尹昊 饰）从天资聪颖的剑道奇才，因故损失一身修为后，在妻子柳夕（叶舒予 饰）的陪伴下重修剑心，终与霸刀山庄二公子——吞吴刀柳浮云（吴恒 饰）相约肆意一战的热血故事。 影片故事取材自国风武侠网络游戏《剑网3》中的知名段落。
In 1828, the bankrupt Pyncheon family fight over Seven Gables, the ancestral mansion. To obtain the house, Jaffrey Pyncheon obtains his brother Clifford's false conviction for murder. Hepzibah, Clifford's sweet fiancée, patiently waits twenty years for his release, whereupon Clifford and his former cellmate, abolitionist Matthew, have a certain scheme in mind.
