Amber was three when a car crash stole her mother's life.
She doesn't remember the accident, but a stranger at the scene has been unable to forget.
Amber is now married to Ned and living on the other side of the world in London.
When her father has a stroke, she flies straight home to Australia to be with him.
Then Amber receives a letter that changes everything. 'Before your mother died, she asked me to tell you something...'