Dr. Chris Shepard has never seen his new patient before. But the attractive young woman with the scarred face knows him all too well. An FBI agent working undercover, Alex Morse has come to Dr. Shepard’s office in Natchez, Mississippi, to unmask a killer. A local divorce attorney has a cluster of clients whose spouses have all died under mysterious circumstances. Agent Morse’s own brother-in-law was one of those clients, and now her beloved sister is dead.

24 Hours begins with the perfect family...on the perfect day...about to become trapped in the perfect crime.

Will Jennings is a successful young doctor in Jackson, Mississippi, with his whole life ahead of him. He has a thriving practice, a beautiful wife, and a young daughter he loves beyond measure.

When Marshall McEwan left his hometown at age 18, he vowed never to return. The trauma that drove him away ultimately spurred him to become one of the most successful journalists in Washington DC. But just as the political chaos in the nation’s capital lifts him to new heights, Marshall is forced to return home in spite of his boyhood vow. His father is dying, his mother is struggling to keep the family newspaper from failing, and the town is in the midst of an economic rebirth that might be built upon crimes that reach into the state capitol - and perhaps even to Washington.

When former prosecutor Penn Cage returns to his hometown of Natchez, Mississippi, he doesn't find the peace he desperately craves. He finds that his own father is being blackmailed by a corrupt ex-cop. And when Penn investigates, he uncovers a murderous secret - and the small town's violent past.

Every day without fail, Travis Devine puts on a cheap suit, grabs his faux-leather briefcase, and boards the 6:20 commuter train to Manhattan, where he works as an entry-level analyst at the city’s most prestigious investment firm. In the mornings, he gazes out the train window at the lavish homes of the uberwealthy, dreaming about joining their ranks. In the evenings, he listens to the fiscal news on his phone, already preparing for the next grueling day in the cutthroat realm of finance. Then one morning Devine’s tedious routine is shattered by an anonymous email: She is dead.