The story is set in the ancient times where demons and immortals fought against each other. Brave men and women fought for justice and honor. People still believe in magic, goddesses and ghosts. A place where he who rules the martial world have the most power. Then, there was two families who are famous for their martial arts skill. The Zhao family who lived at the foot of Emerald Mountain (somewhere in the eastern mountains) and the Lung family who dwells in the majestic Golden Dragon Palace in the southern province. Their feud have lasted for years. Legend has it that both families used to be at good terms with each other as Master Zhao Jung and Master Lung Xi were martial brothers, disciples of the Invincible Swordsman Fu. But after their sifu died, they fought each other to posses the Invincible Sword. They had their last duel on top of Emerald Mountain. Both didn't come back home. As a result, both families swore vengeance.