A stunning robbery threatens to bring Lydelton's economy to its knees, and it is up to Julian and Raedrick to find the culprits. With the year's first trading caravan in town and the missing funds needed for vital transactions, time is of the essence. Fortunately, the Constables have assistance in the form of a team of Royal Marshalls, in town for a prisoner transfer. But they have an agenda of their own, and Raedrick and Julian must tread carefully to avoid revealing the secret of their own past. With few leads and little time, the Constables will need to use all of their skill and wit to solve the case and save their adopted home from ruin.