Paul Dangerfield only has eyes for one girl – his new granddaughter. Al goes into labour while her dad's trying to discover why a prisoner died in custody, and is helped to hospital by her brother Marty. Can Paul drop everything and make it to the hospital in time? A prisoner confides in Dangerfield following a prison riot. When the same prisoner later dies in police custody, Paul becomes emotionally involved and is determined to follow through with the investigation, which leads to an extraordinary conclusion. Meanwhile, on the home front, Marty is determined to help Al in her hour of need.