The spy drama Citadel has made a triumphant return, this time with a European tour. Through Diana, a mole, Citadel: Diana delves into the European families of the opposing syndicate Manticore. Before the plane disaster that killed both of her parents, she was just an ordinary girl with huge hopes. Diana quickly discovered that this plane crash was unusual. A man named Gabriele from Citadel Italy finds Diana while she is trying to figure out who was behind the whole incident. Diana is not one to let go easily, so he sets out to find her. The timetable in Citadel: Diana transports us to the year 2030, eight years before Citadel's downfall. Diana jumps around in time, from the moment Gabriele trains her to her transformation into a mole at Manticore eight years later. Nevertheless, something is amiss. Given that Citadel is no longer in operation, how can she continue to be a mole? After the fall of Citadel, people assume Gabriele is dead, leaving Diana with no choice but to stay with Manticore. Does she succeed in escaping? Could it be that she returns to Edo Zani?

Timeline and Citadel's fall

In the last episode, Diana resumes her regular life. Evidently, she has been keeping her sister apprised of her whereabouts for the past eight years. Sarah was aware that Diana was looking into their parents' disappearance, and their relationship seemed harmonious. Regarding her double agent status, it seems she is unaware of all the facts. After selling their father's house, Diana and her siblings relocate; she now has $20 million, but she is still unhappy. Gabriele had reached out to her during that month, and she was secretly preparing to resume her work at Citadel. After a month apart, Diana returns to Edo, where he offers her a choice: either stay with him and transform Manticore into the peacekeeping syndicate he always imagined it could be, or follow her own path. Despite possessing the ability to erase the data from the drive under Edo's control, Diana chose to flee. It seems Diana felt it was time to let go after all this time.

Upon her return to him a month later, they swiftly resume their love affair, but he also divulges information about the bioweapon he developed, "Jupiter." Diana finds out that Manticore can implant parasite chips into the bodies of millions of individuals by combining the German and French parts and then dissolving them in water. In their debate over whether or not Manticore should have the authority to execute Edo's father, Ettore, they emerged victorious. Although they have only known each other for a month, Edo confides in Diana and tells her everything he knows about her—and more. He continues by saying that a Citadel agent was on the plane and that Manticore is to blame for her parents' deaths. Diana is well aware of this, but perhaps they are just a spy and her lover, who, after betraying everyone, will go their separate ways. The counterargument, of course, is that Diana was actually working under Gabriele and was only acting the whole time.

Offer from Edo Zani

When Citadel: Diana comes to a close, Edo begs his dad to appoint Diana as manager of Manticore Italy. He has already revealed to Diana the details of his bioweapon, which only she can activate. The codes that Edo transmits to his dad are only usable if the user is familiar with the setup sequence. To get his hands on the weapon and establish the Zani family's supremacy, Edo's father pretends to have adopted Diana as his own. After Diana demonstrates how the weapon functions, Ettore orders manager Matteo to cut off all communication with her and then murders her. Mom tells Edo that she attempted to stop Ettore, but he was too enamored with his cause. This is how Edo discovers the truth. By concealing the weapon in his glasses of water, Edo successfully pulls off his father's favorite prank. To stop Matteo from killing Diana, he threatens to assassinate his father instead. An unexpected twist occurs when Ettore declines, telling Edo that he's more like his dad than he realizes and that he'll move on from Diana quickly. On the other hand, Edo uses the weapon he made himself to murder his dad, despite his denial of ever knowing him. Yes, Edo loves Diana, but I believe his long-simmering rage has finally reached a boiling point, and he kills the guy because of it. A terrifying thing is power.

Episode 6 concludes with Diana successfully killing Matteo. Diana goes back to Edo solely to see him; she wants to pretend he's not as evil as his father and that he shouldn't have to pay for his father's faults, even if it means killing a child for it. Now, "Jupiter" is basically a mind-reading data collector. It's as if you sip it; it's always there, anticipating your every move and understanding your deepest desires. After using the killing machine on himself, Edo informs his dad that he has just created the first prototype. Could Diana's insertion of "Jupiter" into the water steam actually serve as the "killing machine"? If this is true, Edo has the ability to murder numerous individuals with ease. After his father passed away, Edo took over as leader of Manticore Italy. Diana and Gabriele may employ him to permanently eradicate Manticore using his unique technology. Citadel is the morally upright faction, but after Manticore's annihilation, vengeance will be fierce.

Reunion with Gabriele

As she tries to escape after killing Matteo in Citadel: Diana ending, she encounters an elderly Gabriele. After all these years, she suddenly understands what she has been doing. Gabriele is still a father figure to her, and she trusts him completely; the relief in her eyes is unparalleled. After repairing Manticore, Gabriele and Diana will start reconstructing the Italian faction of Citadel from the ground up. They will soon be running on their own tech. Although it's a multifaceted process, it's important to understand that the right individuals will likely acquire it eventually.

Edo and Diana now have a choice between two possible outcomes. If he finds out about her affiliation with Citadel, he could either spiral into madness or turn into his father's greatest fear. Another possibility is that, despite the treachery, he chooses to join Citadel in solidarity with her. He is happily daydreaming, but you never know how things will turn out on this strangely romantic TV show. There is still a lot to discover, as we must discover Gabriele's hiding place and his activities. On a related note, there's a possibility of intergalactic spy missions; such an event would undoubtedly be captivating.

Story focuses on Diana

Diana can't keep quiet about killing Edo's brother indefinitely, and Edo will eventually find out. Their relationship will be tested then. Either he will accept her actions or he will retaliate, transforming their friendship into the intense rivalry it has always been. And does Diana honestly think Edo was unconnected to the murders of her parents? There's a possibility that she could uncover some dark secrets. What matters is that this is not Citadel: Italy. Being titled Citadel: Diana, the story primarily focuses on her viewpoint. Another possibility is that Gabriele has been manipulating her the entire time; he may be wicked, unconcerned with Citadel, and driven by his own agenda. 

All episodes of Citadel: Diana are streaming now on Prime Video.

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