John Rebus stands accused: the once legendary detective is on trial, facing the rest ofhis life behind bars.How does a hero turn villain?Or have times changed, and the rules with them?Detective Inspector Siobhan Clarke tackles Edinburgh's most explosive case inyears, as a corrupt cop harbouring huge secrets goes missing.But is her loyalty to the police or the public? And who can she trust when nobody is trulyinnocent - including her former mentor Rebus - and a killer walks among them?As the