The Bill: Lifesaver

When a drink-driver injures a teenager in a hit-and-run incident, Sally and Ben assume the frantic woman giving a witness statement is the girl's mother. A more complicated picture of the relationship begins to emerge and the older woman's unpredictable behaviour leads to potential tragedy when she drives her car into the river. Gina loses control when Sally and Callum defy orders and try to save her from drowning