When 12-year-old Ciaran Devine confessed to murdering his foster father it sent shock waves through the nation. DCI Serena Flanagan took Ciaran's confession after days spent earning his trust. He hasn't forgotten the kindness she showed him – she hasn't left his thoughts at all.

But was there more to this case than the police uncovered? When concerns are brought to DCI Flanagan the years of lies begin to unravel, setting a deadly chain of events in motion.