Reazione a Catena



Reazione a Catena (also known as Bay Of Blood, Twitch Of The Death Nerve, Ecologia Del Delitto...) is a 1971 horror film by Mario Bava. Designed as a comeback film after he lost his distribution deal with American International Pictures, Bava effectively created a film that has served as the blueprint for the Bodycount/Slasher genre of horror, with many of its sequences copied by other horror films (most notably Friday The 13th)

The film's plot is a convoluted "Who Done It", as people begin dying left and right during the course of a long weekend at the lakeside home of an elderly heiress. There are multiple murderers at work, as a slew of shady characters (and a quartet of sex-obsessed teens) end up dying in horrific fashion. There is also a Surprise Ending that will shock you...

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This film provides examples of:


 * Anyone Can Die: And does.
 * Creepy Child: The  kids.
 * Don't Go in The Woods: Or swimming in the bay. Or in the cabin nearby. Or... anywhere, really. Just drive away.
 * Death By Sex: Two kids. Impaled. But in this one the girl is on top.
 * Gorn
 * Gory Discretion Shot: Averted.
 * Impaled With Extreme Prejudice: The two boffing kids and.
 * Kill'Em All: And HOW.
 * Machete Mayhem
 * Mind Screw: The ending. And most of the movie.
 * Peek a Boo Corpse:  to one of the teen girls.
 * The Killer Becomes the Killed:,   and   in the finale.
 * Video Nasty
 * Youth Is Wasted On the Dumb: Some can say this of the four young people who stop for a quick death.
 * Youth Is Wasted On the Dumb: Some can say this of the four young people who stop for a quick death.