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No one is above the law. Barfield Prison is one of the toughest high-security prisons in England, housing the country's most dangerous criminals. And when an inmate is found dead in his cell, a riot breaks out, forcing the authorities to investigate a potential murder. Despite being Barfield's youngest ever female Governor, Helen Hewitt is seen as the best woman for the job. But with a prison full of corrupt and suspicious officers, restless inmates and a broken system, Helen has her work cut out, and no allies to help her.