In the asteroid belt near Saturn, James Holden and the crew of the ice freighter Canterbury, on its way to Ceres Station, investigate a distress call from an unknown derelict ship, the Scopuli.
Holden and crew are trapped in a badly damaged shuttle. On Ceres, Miller uncovers clues about Julie Mao. On Earth, Chrisjen Avasarala questions a terrorist.
Holden and crew are caught in the middle of a desperate battle as mysterious war ships attack and board the Donnager. As Miller continues to investigate Julie Mao, his partner Havelock continues to go missing.
