Citadel: Diana
Citadel: Diana streams in the US on Amazon Prime Video, as of October 5, 2026.
This shadow war has many players.
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.
Where to watch
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