Rent Baby Love (1969)

Brought up in slums, fifteen-year-old Luci (Linda Hayden) is orphaned when her mother (Diana Dors) commits suicide. A successful doctor who was once in love with her mother invites Luci to live with him and his family in their luxurious home. While she quickly develops a taste for her new comfortable life, her resentment grows for the society that she feels was responsible for her circumstances. Little by little, Luci seduces everyone around her, as she sets out to destroy her adoptive family...