1970s/80s thriller movie two women surprise woman who is in the bath. They wrap towel around her. She is scared and the two intruders escort her out of the bathroom.

It’s in English, could be dubbed. My dad rented it when I was a kid. All actresses were white. Not a group shower. The actress walks Towards the camera. Unsure if there is actual nudity. It’s not Daughters of Darkness, Lemora, Stepford Wives. Please help