The anti-hero of the story, Theodore Honey, is engaged in research on the fatigue of aluminium airframes. His current project, overseen by Dr. Dennis Scott, is to investigate possible failure in the high aspect ratio tailplane of a new airliner, the fictional Rutland Reindeer. Honey, a widower, in addition to his work, must bring up his young daughter, Elspeth. The events are narrated by Scott in the first person.