When DC Anna Inglis, stationed at Kingston-Upon-Thames police station, is targeted and deliberately run over, her life appears over.
Many months later she returns to work with her old team as a Civilian Crime Analyst, but in a wheelchair having lost her left leg.
When she finally remembers who maimed her, she is overwhelmed with the desire for revenge. Revenge leads to murder by accident, and an escalating body count. Her life spirals out of control as she desperately attempts to cover her tracks. But the police are closing in. Can she outwit them and escape?