In the asteroid belt near Saturn, James Holden and the crew of the ice freighter Canterbury investigate a distress call from a mysterious derelict ship, the Scopuli. On Ceres, Station, Detective Miller begins an off-the-books investigation of a missing heiress, Julie Mao.
Holden and crew fight for survival in a badly damaged shuttle. Miller uncovers clues about Julie Mao, as water rationing hits Ceres Station. On Earth, UN Deputy Undersecretary Chrisjen Avasarala interrogates a Belter terrorist.
Holden and crew are taken prisoner aboard the Donnager, the flagship of the Martian Congressional Republic Navy, and begin to turn against each another. While contending with riots on Ceres, Miller connects Julie to the mysterious derelict ship, the Scopuli. Avasarala engages in a nasty game of politics with an old friend.
Holden and crew are caught in the middle of a desperate battle, as mysterious warships attack and board the Donnager. As he pursues Julie Mao, Miller's partner, Havelock, goes missing.
Holden and crew make a deal with an unlikely ally on Tycho Station. Along with his conspiracy theories about Julie Mao, Miller's obsession with the missing girl intensifies.
Miller discovers revealing information on a hidden data cube. Holden and crew arrive at Tycho Station, surprised by their host's hidden agenda.
Holden and crew realize they're not alone on the Rocinante and find themselves up against a Martian military blockade. Believing all is lost, Miller finds a new reason to forge ahead. Avasarala visits Holden's family in Montana.
The crew of the Rocinante discovers a derelict vessel holding a secret that may destroy humankind. Holden and crew are led to Eros, where they finally cross paths with Miller, only to make a horrifying discovery. On Earth, Avasarala receives devastating news.
Miller, Holden and his crew struggle to escape Eros, but they're trapped when the entire station is put on lockdown. On Earth, Avasarala comes to a stunning realization about the origin of the mystery ships.
Miller, Holden and his crew fight their way to the Rocinante to escape Eros. On Earth, Avasarala fears for the stability of Earth's government and her family's safety.