After a group of biologists discovers a huge network of unexplored caves in Romania and, believing it to be an undisturbed eco-system that has produced a new species, they hire the best American team of underwater cave explorers in the world. While exploring deeper into the underwater caves, a rockslide blocks their exit, and they soon discover a larger carnivorous creature has added them to its food chain.
In 18th-century Romania, after spending much of her life in a traveling circus, human-vampire hybrid Rayne escapes and plots to take down her father, Kagan, the evil vampire king. When she's discovered by three vampire hunters, she manages to convince them to spare her life and join her cause. But slaying a vampire as powerful as Kagan will be no easy task.
Armed insurgents attempt a coup d'etat in a troubled Eastern European country, and the president flees to the U.S. embassy for protection. When the U.S. ambassador is murdered by the ruthless and gun-happy rebels, it comes down to the second-in-command of the embassy, Sam Keenan, played by Belgian kickboxer Jean-Claude Van Damme, to use his amazing martial arts technique to defend the besieged.
