In Aurora, Illinois, Aubrey Wheeler is just trying to get by after her semi-criminal ex-husband split, leaving behind his unruly teenage son. Then the lights go out, not just in Aurora but across the globe. A solar storm has knocked out power almost everywhere. Suddenly, all problems are local, very local, and Aubrey must assume the mantle of fierce protector of her suburban neighborhood. Across the country lives Aubrey's estranged brother, Thom....