A young, beautiful career woman rents a backwoods cabin to write her first novel. Attacked by a group of local lowlifes and left for dead, she devises a horrific plan to inflict revenge.
A drug-treated schizophrenic plagued by horrible nightmares is released from the hospital and goes on a killing spree.
Americans on vacation in the Caribbean take a tour of a nearby island at night and watch a local voodoo ritual. Soon after, they find themselves stranded on the island and under attack by unseen foes. One by one they meet violent ends.