Carol Hammond, daughter of a politician, has vivid nightmares involving sex orgies and LSD. In a dream, she murders a neighbor she envies and wakes up to a real investigation into her neighbor's murder.

Florinda Bolkan
as Carol Hammond

Stanley Baker
as Inspector Corvin

Jean Sorel
as Frank Hammond

Silvia Monti
as Deborah

Alberto de Mendoza
as Sergeant Brandon

Penny Brown
as Jenny

Mike Kennedy
as Hubert

Ely Galleani
as Joan Hammond

George Rigaud
as Dr. Kerr

Ezio Marano
as Lowell - Scientific Squad