World War I is raging in Europe, but as the deadly influenza pandemic of 1918 sweeps like a wildfire through Boynton, Oklahoma, Alafair Tucker is fighting her own war. Her daughter, Alice, and son-in-law, Walter Kelley, have both come down with the flu, and Alafair has moved into town to care for them after quarantining her young children at their sister's farm. Boynton as a whole isolates itself like an old English plague village, discouraging anyone...