The Sister of Ursula
10/18/1978
Imdb: tt0078300
Tmdb: 91256
Popularity: 3.321
Vote: 5/10 (43)

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.