Amidst the turmoil of the Ming Dynasty, an evil eunuch, Cao Shaoqin, orchestrates the assassination of a loyalist named General Yu after deeming him a threat to his power. With Yu dead, Cao sets his devious sights on annihilating the general’s surviving children. The children, accompanied by Yu’s loyal lieutenants, seek refuge at the Dragon Inn, a secluded and eerie outpost near the state border. There, they cautiously plan their next steps while confronting the imminent threat posed by Cao’s ruthless secret police.

As tensions rise, mysterious figures arrive at the inn—each harboring their own motives and secrets. Among them are a swordsman named Xiao, estranged from his nameless lover, and a martial artist who pretends to be a wandering scholar. Suspense mounts as alliances form and dissolve in unexpected ways within the claustrophobic setting of the inn. The visitors and residents must navigate their way through deception and danger while battling the encroaching forces of the autocratic regime.