Guilty and depressed. but can he help?

Katie was your every day normal girl, she lived in England and moved to Australia when she was six. However when she is in a car accident with her best friend Bonnie, Katie's world turns upside down. She becomes filled with guilt and depression. All of a sudden she finds her self meeting a boy in the most unlikely of places, Luke Hemmings, can he help katie get back to her old self or will she just push him away?