paula and sergio be marry and own the small house in the mountain where they only travel to at weekend and lillian be paula sister and who just happen to be have an affair with sergio . sergio be go hunt and paula be go shop and lillian be stay home to sunbathe naked . lillian put on the radio and we hear a news report a thief and murderer who have escape from jail and be on the loose after murder farmer with a pitchfork . the criminal name joe brezy have steal the car and be hide near the house . he have bury 300million lira in the house ( from the previous robbery ) . joe take the three of them hostage whilst he dig for his loot . when he finally get his loot he play paula and lillian and sergio against each other tell paula about the affair her husband and sister be have . vacanze per uno massacre be a cheaply make thriller highly influence by rape and revenge sub genre . lorrainde de selle provide lot of full frontal nudity and the climax be violent and memorable . it a cry shame that this nasty little tale of sexual tension be so obscure . positive .