A botched plot to kill the queen of Albion triggers a sweep, as agents on every side are interrogated about their fidelity to their alliances. In the midst of mounting strain, Ange le Carré, Dorothy, Charlotte, and Chise Toudou return with a fresh task: to escort an elderly antiquarian who is imprisoned in the royal penitentiary. Yet this straightforward job quickly turns tense when Control orders the squad to probe a suspected moles among the royal household.
Ange and the rest of Team White Pigeon confront treachery and gore as they try to link with another operative, knowing only one fact: their handle is Bishop and the kingdom's fragile peace today.
