Ettore sends Edo and Diana to Sicily on a sensitive mission that threatens their alliance. However, under the Mediterranean sun, the two discover they are connected by much more than their objectives. Eight years earlier, Diana infiltrates Manticore and carries out her first mission.

Edo leads a group of agents in an attack on the Manticore France's headquarters 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 had to do eight years earlier, the night Citadel was destroyed.