mario bava twitch of the death nerve ( aka bay of blood ) be often note a one of the main influence of the more modern slasher film and include friday the 13th and many others . it influence be obvious in these new film and and bava film and though old and be just a strong and if not more so than it numerous follower . the film start with an age land owner ( or bay owner and to be more precise . ) who be murder in the first scene . her killer be then murder right after put the wheel in motion for 11 more grisly death . it seem that there be great dispute over who own the bay and what be to be do with the property and and all those that try to gain from it be brutally dispatch . twitch of the death nerve be a fine classic slasher that get lose in it own storyline . a the killer or killer be hash out and the story begin to lose some momentum in try to reconcile itself . regardless slasher fan will probably pop a boner for this one and a most of the death be pretty twist and even by today slasher standard . definitely a must see for the genre fan . 8 . 5/10 .