A Lizard in a Woman's Skin ratings (Movie, 1971)

In London, Carol Hammond lives in a fancy building with her husband Frank Hammond and her stepdaughter Joan Hammond. Carol is the beloved daughter of the wealthy and prominent lawyer and politician Edmond Brighton and Frank is his partner in his office and has a love affair with Deborah. Carol's next door neighbor Julia Durer is a depraved woman that promotes parties with drugs and orgies. Carol has psychoanalyze sessions with Dr. Kerr and is intrigued with a nightmare where she stabs Julia to death three times with a couple watching the murder. When Julia is found dead in her apartment, the efficient Inspector Corvin and his partner Sgt. Brandon are assigned to investigate. All the evidences point out to Carol, but was a dream or reality?