The final battle between Earth and Mars threatens the very future of humanity. A new monster is unleashed on Prospero Station. Anna receives the smoking gun she needs.

The search for Prax’s daughter comes to a head. Admiral Souther’s men plan for mutiny aboard the Agatha King

The Rocinante tends to wounded Martian soldiers in exchange for supplies. Avasarala struggles with how to disseminate a key piece of evidence despite being in hiding.

As Earth strategizes a costly ploy to gain advantage in the war against Mars, Anna struggles to convince Sorrento-Gillis to do the right thing. Avasarala and Bobbie seek refuge aboard…

The Rocinante answers an unexpected distress signal. Bobbie and Avasarala find themselves being hunted by a mysterious captor. UN Secretary-General Sorrento-Gillis brings in a colleague from his past to lend…

The Rocinante crew must fight to save the ship.

Bobbie makes a decision that changes her life forever.

Holden leads his crew through the war-torn station on Ganymede.

Bobbie becomes a political pawn in the struggle between Earth and Mars.

Naomi tracks down signs of the protomolecule; Fred Johnson’s control over the OPA collapses.