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 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.

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.

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.

In the heart of North Carolina's Research Triangle stands a corporate laboratory much like the others nearby. But behind its walls, America's top scientists work around the clock to attain the holy grail of the 21st century - a supercomputer that surpasses the power of the human mind.