The Griffin family has experienced two years of the Great War and the two remaining fully active brothers are growing fatigued. They are tired of almost unbroken service and know that the greatest and worst battle so far is about to come. Both are growing incautious in their comments to senior officers. Peter, a major in the RFC, is expected to be irreverent. John, an infantry colonel, should be more cautious – postings to the deadly campaigns in Macedonia or East Africa await those who tread on senior toes…