Milan, 2030: Diana Cavalieri is a double agent for the secret syndicate Citadel, who infiltrated Manticore, the rival agency that destroyed Citadel eight years ago. Trapped behind enemy lines, Diana has a chance to leave the agency forever, but she has to decide whether to trust a surprising ally: the heir of Manticore Italy, Edo Zani. Part 3 of the Citadel Universe (1. Citadel Honey Bunny, 2. Citadel S1, 3. Citadel: Diana)

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