On Europa an increased rate of Diamond Catcher deaths causes all eyes to turn to the lunar citadel. On Earth Magnus Locke, radical journalist of Haley's Tabloid, is coupled with Cynthia Fey, a shy assistant ready to make her mark. With column in mind, the two set off to Europa aboard the Chelsea Dagger, where they will unwillingly uncover a new danger to humanity. Welcome to the Opera Galactic.