Lantana

A woman's body is shown in lantana bushes in suburban bushland. Detective Leon Zat, a policeman, and Jane have sex in a motel. Leon's wife, Sonja, attends Latin dance classes that Jane is also taking. Leon has emotional issues, while Sonja sees a therapist, Valerie, who has published a book on her daughter's recent murder. Valerie feels threatened by another patient, Patrick, who is having an affair, forcing her to confront her marital issues. The complex web of love, sex, and deceit among four related couples emerges, leading to the investigation of Valerie's disappearance.