A mysterious diver hiding in Amsterdam's canal system embarks on a rampage of gruesome murders, terrifying city officials and leaving few clues for the city's best detective, who doesn't suspect that both his new girlfriend and twelve-year-old daughter may be closer than he is to finding the killer.

Seven employees of an international weapons manufacturer are treated to a team-building weekend at the company’s newly built luxury spa lodge. Things quickly go awry as the colleagues find their corporate weekend sabotaged by a deadly enemy.

A priest-doctor chasing a man with supernatural regenerative abilities, who has recently escaped from a medical lab, reaches a small town where the mutant goes on a killing spree.

Tourists take a boat to a remote island, where they find that most of the people have disappeared, and something is stalking them. They find a hidden room in the big mansion on a hill, and an ancient diary, which gives them clues to the source of the terror.

Greta is a beautiful young woman abused by her brother Franz and left to die in childbirth by her illicit lover, the aristocrat Dr. von Ravensbrück. Bereft with grief, Franz reanimates his dead sister using a formula engraved on an ancient Incan medallion. Greta then returns as an undead avenging angel, reaping revenge on the Ravensbrü...