Raised by an uncle in New York after his parents died in an attack orchestrated by the mafia, Thomas, now an adult, is sent to live in Italy. There, while his tortured past and the death of his parents come back to haunt him, he feels increasingly drawn to Thelma, his uncle's mysterious wife. Soon Thomas will learn the truth about the death of his parents and foment a vengeance of great heights.
Emma has a strong aversion towards her family’s new house, especially the attic. After moving in, she becomes miserable and reclusive. The rest of her family also seems unhappy and unsettled. The situation escalates one day when Emma is in the attic alone. All of a sudden someone who looks exactly like Emma attacks her viciously.
The film is set in the Midwest against a backdrop involving a killing spree thought to be orchestrated by a satanic cult. Three best friends embark on a road trip to a heavy-metal show, where they bond with three aspiring musicians and head off to one of the girls’ country home for an afterparty. A night of fun and youthful debauchery takes a deadly turn as bodies begin to pile up, with each side thinking the other hides the killer.
A young woman learns that she has inherited a Texas estate from her deceased grandmother. After embarking on a road trip with friends to uncover her roots, she finds she is the sole owner of a lavish, isolated Victorian mansion. But her newfound wealth comes at a price as she stumbles upon a horror that awaits her in the mansion’s dank cellars.
A group of high school students, led by a rich boy Derek, is sick of school violence and decides to become underground vigilantes named "Brotherhood of Justice". It starts with the idea "watching people", but things quickly get out of control. "Brotherhood of Justice" turns out another gang of violence. Derek wants to stop it but it is too late, so he takes responsibility for it and gives himself to the law.
A group of high school friends discover that they are in the presence of a killer. One of them, Samson, has murdered his girlfriend Jamie. He brags to his friends about killing her, and when they discover he is telling the truth, their reactions vary.
FBI agent Joel Campbell, burnt-out and shell-shocked after years spent chasing serial killers, flees L.A. to begin a new life for himself in Chicago. But five months later, Joel's best laid plans are abruptly cut short when his new hometown becomes the setting for some particularly gruesome murders--murders that could only have been committed by one man: David Allen Griffin. One of Joel's most elusive and cunning nemeses, Griffin has followed his former pursuer to Chicago in order to play a sadistic game of cat and mouse. Taunting Joel with photographs of his intended victims and leaving his crime scenes meticulously free of clues in order to keep the police at bay, Griffin derives as much pleasure out of watching Joel react to every movement as watching his victims die. But when Griffin moves into Joel's inner circle, Joel must quickly find some way to stop him before someone close to him becomes the next one to die.