Sweetie

Sweetie is a 1989 Australian black comedy drama film directed by Jane Campion, and starring Genevieve Lemon, Karen Colston, Tom Lycos, and Jon Darling. Co-written by Campion and Gerard Lee, the film documents the contentious and chaotic relationships among a woman in her twenties, her parents, and her emotionally unstable sister. It was Jane Campion's second feature film. It was entered into the 1989 Cannes Film Festival, and won an Independent Spirit Award for Best Foreign Film in 1991.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.