eat your heart out and jason vorhees . mario bava wicked slasher fantasy predate your friday the 13th escapade by almost a decade . and ` the bay be a much more efficient location than your pathetic crystal lake and i may add . mario bava be my favorite director of all time for multiple reason . the most important one be that he such a diverse storyteller . he bring u tense and atmospheric horror ( black sunday ) as well a colorful kitsch ( danger represent diabolik ) . this bay of blood be something completely different yet again . twitch of the death nerve ( another a. k. a of this film ) be a blood soak satire and portray 13 of the most stylish massacre ever shoot on tape . the local countess of the bay community be brutally slain by her husband . then he himself be butcher by a mysterious third person . what follow be an irresistible search for the killer in which greed and ruthlessness overrule the more normal human emotion . okay and the plot may not be very solid ( which be an often heard reproach regard bava work ) but a a social satire and bay of blood be very effective . ` everyone a killer when money and power be involve and bava seem to shout out . the humor be oppress and but it definitely present throughout the whole film if you do not see that and i pity you because the film power depend on it . and then there the gore . needless to say this movie be light year ahead of it time when it come to show explicit violence and detail gore . the killer hatchet plant itself in victim head and throat vulgarly while the camera seem to zoom in on the corps endlessly . and then still this be an utterly stylish horror film . only bava can shoot filth on tape and make it look like art . the cast isn not very memorable and but who care . they die anyway so you do not need to pick favorite . only main actress claudine auger impress me and but i think that have more to do with her beautiful appearance . see bay of blood for the gore . see bay of blood for it importance a it be one of the most influential film in the genre . see bay of blood and period . i hate to sound pretentious but if you do not like this film and you haven not get the slight idea what the horror industry be all about . that statement go for bava entire repertoire and by the way .