When We Go To War focuses on the impact the war has on a middle New Zealand, Pakeha family and a Maori brother and sister. This spectacular drama cuts between life at home, Gallipoli and Egypt. The series begins in a time of optimism and hope, on the eve of war. New Zealand has one of the highest living standards in the world, is part of the mighty British Empire and few can foresee the horrors soon to come.