Lifeforce

When Dr. Yuen attempts to rescue a girl about to be sacrificed by the Worm Tribe in the middle of a jungle in Thailand, he is damned with seven deadly "blood curses" and must return there to find a permanent cure.

After a couple purchases an antique vase at a market, the woman is possessed and killed by a demonic creature. Twelve years later, the demon returns to possess the woman's nephew and wreak more havoc.

Fong Kit Ying is an unassuming nightclub employee in Macao who inadvertently angers a gang of drunken patrons. They follow her home after her shift and mount a viscous gang assault. After her traumatic ordeal, she vows to hunt them down one by one.