Evan Roberts, an ex-CIA analyst turned spy novelist living on Hilton Head Island, is struggling with writer's block and an impatient editor as he picks up his boyhood friend, Frank Johnson, from the Savannah airport for a weekend visit to relax from the stresses facing his company. Johnson, a brilliant engineer, has pyramided a series of high stakes technical gambles to a true game changer, the Cadmus Project, a secretly developed electric car that...