Legend has it that in a faraway place beyond the edge of the earth, there exists a broken-hearted man with infinite power. Abandoned by his loved ones, the inheritance of the old man's chi power becomes a battleground for evil outsiders.

During the Ming Dynasty, Tso Siu Yan, a power-crazed eunuch who rules his desert region of China as if he were the Emperor, ruthlessly thwarts plots against him and sets a trap for one of his enemies at the Dragon Gate Inn.

Two warriors in pursuit of a stolen sword and a notorious fugitive are led to an impetuous, physically-skilled, teenage nobleman's daughter, who is at a crossroads in her life.