春秋战国时代楚庄王之后产下双胞胎，长子熊建及次子熊伟（同为申荣均饰演）。后因贼兵作反，战乱中兄弟失散。十数年后，熊建学得一身武艺。熊伟继皇位，荒淫无度，欲娶邻国公主（李菁）作为政治婚姻。偶然机会，兄弟重遇，熊伟恐兄长争帝位，加上两人长相一样，命人打造一铁头面具，套入熊建头上……...

　　Choi So-young (Choi Eun-hee), a poor female law student is in trouble because her grandmother, who had been sending her tuition money, passes away. With the help of her friend Hee-suk, (Kim Suk-il) ...