Skinner must help a criminal in order to catch a killer, in this sixth novel in the bestselling Edinburgh crime series.When an Edinburgh car showroom is torched, leaving a charred body among the burnt-out luxury cars, Deputy Chief Constable Bob Skinner wonders if a life of crime has finally caught up with one of the city's most elusive villains.But the corpse turns out not to be that of Jackie Charles, the owner of the showroom, but his wife Carole.Skinner now finds himself on the same side as his old enemy in the search for the killer...