On the evening of Saturday, November 23, 1968, 17-year-old Allan Whyte and 16-year-old Maureen Joyce Braddy attended a dance at the YMCA hall in Bendigo, Victoria.
The nature of their teenage relationship is unclear. Some believe they were just friends, others say it was more romantic.
Either way, the teenagers never returned to their respective homes that night. More than 50 years on, their bodies have never been found and their families are still searching for answers.
Initially, many people, including police, believed they had run away together. This belief meant there was no adequate investigation into their disappearance until a decade later, in the 1990s. Ultimately, a 2014 Victorian coroner report concluded there is no evidence to suggest they wanted to run away together.