On her birthday, Katrina's alcoholic mother has a violent outburst which is the catalyst to the teenager's destructive drinking session which results in the ripple effect of abuse that she endures at home.
On her birthday, teenager Katrina's pain caused by her mother's alcoholism and violence, together with the absence of her father, is the catalyst for a destructive drinking session which results in the ripple effect of abuse that she endures at home.