Northeast Florida seethes with hostilities during the War Between the States, pitting father against son and neighbor against neighbor. Confederate sharpshooter Jack Farrell returns home to recover from his wounds but faces conflict with his Unionist father and Yankee raiders. Martina Sanchez, a young Minorcan woman, struggles to hold onto her St. Augustine home despite threats of banishment by Union occupiers. She fears her younger brother's spying will bring more disaster into their lives. Union Lieutenant Richard Prescott pursues Martina ruthlessly, blackmailing her to achieve his ends. Her only help comes from the disreputable Jack Farrell, who appears to be just as dangerous as her tormentor.