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.
Paranoid computer programmer Simon wakes up to find a package in his room one day. Despite attempts at securing his apartment, the packages keep arriving. While cameras watch Simon's every move, he struggles to find the answers to the mysterious forces taking over his life.
