With the defeat of the Royal Equestrian Expeditionary Force in Europe during the summer of 1940 and subsequent evacuation of the survivors from Dunkirk Equestrias government now stands alone against the building storm.

The once reserved and proper classical cellist Octavia is approached by a member of a newly formed Equestrian intelligence division and asked to do her part for the nation. In this strange dark world of sabotage, espionage and guerilla warfare Octavia finds a beacon of hope in the friendship of a Jazz pianist. However, despite her years of training some things you can never truly be prepared for and the most important lessons are learned the hard way.