In the wake of murders in the Virginia countryside in which the killer leaves watches on the victims' bodies, investigators Sean King and Michelle Maxwell discover a possible link to a case involving an aristocratic southern family.

"When Amos Decker and his FBI colleague Alex Jamison are called to London, North Dakota, they instantly sense that the thriving fracking town is ripe for trouble. The promise of a second gold rush has attracted an onslaught of newcomers all hoping for a windfall, and the community is growing faster than houses can be built. The sudden boom has also brought a slew of problems with it, including drugs, property crimes, prostitution--and now murder....

Amos Decker investigates a murder-suicide that occurred outside FBI headquarters and cannot connect the shooter and his victim, but he is ordered off the case, and it becomes clear that finding the link is a matter of national security.

Sean King and Michelle Maxwell are back, and struggling in the emotional aftermath of the events that brought them to the brink in Hour Game. Dogged by personal demons, Maxwell agrees to treatment in a psychiatric institution after barely surviving a violent barroom brawl. And King, to right their partnership, accepts an offer to investigate a murder in a scientific think tank named Babbage Town. Feeling cured, Michelle joins him on the case, and...

When a young investment banker dies under suspicious circumstances, FBI agent John O'Hara pursues a suspicion that the victim's beautiful bride is responsible.

Sent to Macon for an undercover mission to infiltrate a drug and prostitution ring, Georgia Bureau of Investigation Agent Will Trent hides the facts about his latest assignment from his girlfriend, Sara Linton, when the stakes prove higher than any he has yet encountered.

After a double murder signals the start of a shooting spree through the wilds of Oregon, Quincy and Rainie's main suspect is the older brother of the thirteen-year-old orphan they plan to adopt.

"In southeast Minnesota, down on the Mississippi, a school board meeting is coming to a close. The board chairman announces that the rest of the meeting will be closed, due to personnel issues. "Issues" is correct. The proposal up for a vote before them is whether a local reporter should die. And the vote is four to one in favor. Meanwhile, not far away, Virgil Flowers is doing a favor for a friend by looking into a dognapping, which seems to be turning...

When their handler takes a rare vacation and disappears, Will Robie and Jessica Reel are sent to investigate, but after arriving in the small town of Grand they encounter a vicious adversary.

Working on a case involving a pair of murders in which the victims are found with lemons in their mouths, Minnesota Bureau of Criminal Apprehension investigator Virgil Flowers struggles to find a connection that could prevent additional killings.