June 1860. A new locomotive christened A Southern Breeze steams across the Carolina countryside carrying seventeen-year-old Jeb Bennett and his twin sister, Rachel Leigh, to the exhilarating promise of a summer in Charleston. While storm clouds gather over the landscape, fiercer storms rage inside the passenger cars. The tensions between North and South rapidly escalate until one traveler’s journey abruptly and brutally ends. Who is the murderer? Was the victim the real target? Amid swirling suspicions and deceptive intrigue, Jeb and Rachel Leigh join Pinkerton detective Jonathan Ward in a race to unmask a killer.