Guernica, 1937. When the bombers appear like a flock of birds over the horizon, Sibil Helinger, is enjoying market day in the small Spanish town of Guernica. With no warning, clouds of German planes are upon them and bombs fall on the town like rain. Reeling with shock, she spends the next few days frantically searching for her relatives in the rubble. Though she finds her little sister trapped in the ruins, she discovers her mother and the others...