The Flying Swords Of Dragon Gate (aka Long Men Fei Jia)

Martial arts epic directed by Hark Tsui. Three years after the the Dragon Inn was burned to the ground, leaving the innkeeper missing, a new bunch of marauders have moved in. But they have ulterior motives.

It seems that buried beneath the Inn is a lost city that can only be uncovered in a storm which happens every 60 years. But as they wait for the storm to hit, a woman and her protector come seeking protection from assassins who are out to take her unborn child.