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.
The Bride unwaveringly continues on her roaring rampage of revenge against the band of assassins who had tried to kill her and her unborn child. She visits each of her former associates one-by-one, checking off the victims on her Death List Five until there's nothing left to do … but kill Bill.
A DEA agent provides former Marine Tim Kearney with a way out of his prison sentence: impersonate Bobby Z, a recently deceased drug dealer, in a hostage switch with a crime lord. When the negotiations go awry, Kearney flees, with Z's son in tow.
An operation in Thailand against a notorious drug lord changes the destiny of a Hong Kong Police Department narcotic team. Five years later, a drug dealing brings them together again.
Newly transferred to the bustling port city of Marseille to assist with a crackdown on organized crime, energetic young magistrate Pierre Michel is given a rapid-fire tutorial on the ins and outs of an out-of-control drug trade. Pierre's wildly ambitious mission is to take on the French Connection, a highly organized operation that controls the city's underground heroin economy and is overseen by the notorious —and reputedly untouchable— Gaetan Zampa. Fearless, determined and willing to go the distance, Pierre plunges into an underworld world of insane danger and ruthless criminals.