While searching for their estranged mother, two beautiful sisters, Dagmar and Ursula, arrive at a luxurious seaside hotel. At the same time, a mysterious killer starts murdering promiscuous women in the area.
Sadistic no-count killer Nanni Vitali and three other equally brutish hoodlums escape from prison. The foul foursome embark on a savage rape, murder, and robbery spree. Vitali even abducts and defiles frightened hapless lass Giuliana Caroli. Meanwhile, rugged police inspector Giulio Santini is determined to bag the despicable Vitali.
Anne is convinced she has found her husband's corpse, but Dr. Mark can only find out that the man has gone home. When he comes back, his wife does not trust Mark, who believes she suffers from schizophrenia.
