You can't change the past. But can you ever leave it behind? This week, we bring you stories of criminal, familial, traumatic and famous pasts that some are struggling to let go, and others are trying to repair.
Here are the stories from this week's episode...
The chance phone call that led to a remarkable reunion
Living in the shadow of a notorious killer
How do you leave your past behind when you're a career criminal?
Haunted by the weight of your past
'I absolutely believe that the past can be left, and let go'
Jeff Douglas vs. Joe Canadian