Eight years ago, Citadel, an independent global spy agency, was destroyed by a new syndicate, Manticore. With their memories wiped, elite agents Mason Kane and Nadia Sinh barely escaped with their lives. Eight years later, Mason's former colleague, Bernard Orlic, asks for his help to prevent Manticore from establishing a new world order.
Citadel was renewed for Season 2
Amazon Prime Video renewed the series on Friday 26th May 2023
Citadel Series Guide