New to the area, Holly is keen to make friends but finds herself drawn into a frightening world she is unable to escape - a world all too familiar to sexual health worker Sara. As her relationship with her family fractures, Holly finds the courage to speak out, but will her nightmare finally end?

With her pleas previously ignored, Sara is both relieved and unsurprised when the true extent of the abuse and betrayal is finally uncovered. Can Maggie and the police team persuade the girls to revisit the horror they suffered? And what does that do to the fragile lives they have struggled to rebuild?

With the ordeal drawing to a close and betrayals still raw, what does the future hold for the victims of the abuse and those who fought so hard to support them? Can justice be served, and can their experiences stop the mistakes happening again?