After the imperial security escort is slain by a mysterious traveling swordsman known only as The Thunder Sword, the escort's two orphaned children develop their sword skills in the hopes of taking revenge against The Thunder Sword.
After the imperial security escort is slain by a mysterious traveling swordsman known only as The Thunder Sword, the escort's two orphaned children develop their sword skills in the hopes of taking revenge against The Thunder Sword.
自从皇家侍卫被一个人称雷剑的神秘云游剑客杀掉之后，这名侍卫留下的两个孤儿拼命练剑希望能向雷剑复仇。