Watch FMovies. Produced with the cooperation of leading Civil War historian Winston Groom, author of Forrest Gump, Lee & Grant is a personal look at two iconic leaders of the Civil War. Surprising details reveal the bold choices and almost godlike power Ulysses S. Grant and Robert E. Lee summoned on decisive battlefields like Vicksburg and Gettysburg that, within days of each other, turned the tide of the war.