Amos Decker and his FBI partner Alex Jamison are visiting Decker's hometown of Burlington, Ohio, when he's approached by Meryl Hawkins-- the first person Decker ever arrested for murder back when he was a young detective. A dozen years in prison have left Hawkins unrecognizably aged and terminally ill, but one thing hasn't changed: he maintains he never committed the murders. Could it be possible that Decker made a mistake all those years ago? Digging...

Amos Decker, the FBI consultant with a perfect memory, and Alex Jamison FBI. Return to solve a gruesome murder of a young woman named Irene Cramer, in a booming North Dakota oil fracking town. The promise of a second gold rush has attracted an onslaught of newcomers all hoping for a windfall, bringing with them problems, including drugs, property crimes, prostitution and now agruesomee murder.

Amos Decker witnesses a murder just outside FBI headquarters. A man shoots a woman execution-style on a crowded sidewalk, then turns the gun on himself. Even with Decker's extraordinary powers of observation and deduction, the killing is baffling. Decker and his team can find absolutely no connection between the shooter--a family man with a successful consulting business--and his victim, a schoolteacher. Nor is there a hint of any possible motive...