this be one of first real slasher film and and inspire the many film of the eighty . it be set in a bay and where the precious land be seek by many to be develop . the original and unique thing be there be no single killer and everyone be dispatch each other to gain control of the land . also a group of young camper arrive and they be soon dispatch as well . the effect be very good for that era and especially the axe in the face scene . the film be shoot with good style too by bava and have his camera follow some diverse angle . you get the impression he make this film with his tongue firmly place in his cheek . especially the end and which kind of fit in with the whole theme of the film and but with a difference . and the music at the end be amuse . an impressive film and that be still effective despite it age .