Nancy finally sees the truth, but struggles to persuade Newman she is right. With nothing to lose, she must operate outside the law one last time.
Stood down by Newman for being too emotionally involved, Nancy is forced to operate outside the law to prove her case against Nash.
In a reckless bid to accelerate the investigation and turn the tables on the man who may be hunting her, Nancy proposes a risky undercover operation, but soon finds herself caught up in violence she cannot escape.
A police detective finds herself at the centre of the most dangerous case of her life when she is seconded on to the investigation into the murder of a drugs trafficker. What nobody around her knows is that she is the missing witness that the police and the killer are searching for.