Diana and Edo make their first move, but they underestimate the reaction of Manticore France. In the flashbacks, Diana completes her training to become a Citadel agent.
Ettore sends Edo and Diana on a sensitive mission that threatens their alliance. However, the two discover that they want much the same thing. Eight years earlier, Diana carries out her first mission for Manticore.
Diana is captured and struggles desperately to survive while Ettore has to make a hard decision in order to restore Manticore Italy's power, as memories resurface of the day when his relationship with Edo was shattered forever.
Edo leads a group of agents on the assault in Paris. Just as Diana is about to get her hands on the weapon, she is forced to decide which side she is on, as she did eight years earlier, the night Citadel was destroyed.
On the day that Manticore's European families must make an important decision about the future of the organization, Diana is tasked with spying on the secret exchange of a weapon that could trigger a new war.
