"Newly promoted to Detective Inspector, William Warwick is tasked with a dangerous new line of work, to go undercover and expose crime of another kind: corruption at the heart of the Metropolitan Police Force. Along with detectives Rebecca Pankhurst and Nicky Bailey, his team is focused on following Detective Jerry Summers, a young officer whose lifestyle exceeds his income. But the investigation risks being compromised when Nicky falls for Summers....

Detective Boone Drake has successfully conducted an operation to bring down street gangs and crime bosses. A leak somewhere in the Chicago PD, however, threatens the life of his key witness, and Drake must figure out who the betrayer is before it's too late.

"John Rebus stands accused: on trial for a crime that could put him behind bars for the rest of his life. But what drove a good man to cross the line? Detective Inspector Siobhan Clarke may well find out. Clarke is tasked with the city's most explosive case in years, an infamous cop, at the center of decades of misconduct, has gone missing. Finding him will expose not only her superiors, but her mentor John Rebus. And Rebus himself may not have her...