What happened to Sheree Fertuck? CBC journalists Alicia Bridges and Victoria Dinh shed light on her disappearance which has served as a haunting example of how a person can seemingly vanish without a trace in the vast rural landscape of Saskatchewan.

For more, including a 360 video experience of the gravel pit, visit cbc.ca/thepit

It's winter in Saskatchewan and Sheree Fertuck is hard at work hauling gravel in her semi-truck. She has lunch with her mom but doesn't come back for supper. The next day, her semi is found abandoned in a gravel pit. Sheree is nowhere to be seen.

For more, including a 360 video experience of the gravel pit, visit cbc.ca/thepit