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                Sarah Johnson (Bethany Wilkins) 
                 
                Sarah Johnson has 
				her life torn apart when she witnesses the brutal murder of her 
				father in a London back alley. 
				 
				After leaving the city she hoped that she could make a new 
				start. However, suffering a hidden guilt, she finds her new life 
				strained and uncomfortable. Taking on the role of surrogate 
				parent, her previous vitality is swallowed up in what she sees 
				as her duty to give back to her siblings what they have lost. 
				Her resolve to protect them from the danger of the outside world 
				is tested to the limit as isolation, fear and uncertainty take 
				their toll. 
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