With 1,300 new worlds within reach, a new interplanetary land rush has started. The UN charges the crew of the Rocinante to settle a land dispute on its new colony world, New Terra, while the OPA starts transitioning the Behemoth into a gatekeeper.

Avasarala is blindsided while visiting Mars; the Roci crew continues its protomolecule investigation as tensions between the RCE and Belters reach a tipping point.

New alien threats emerge on Ilus as Naomi battles health challenges on the planet; Bobbie looks for a missing person on Mars; Avasarala faces a new challenge in the UN.

Drummer and Ashford confront a dangerous person from Naomi's past; Murtry hunts down a target; Bobbie makes a life-changing confession.

As tensions reach a boiling point on Ilus, Holden reveals a secret; Avasarala debates Nancy Gao as an emergency on the Roci forces Alex and Naomi into action.

The Roci crew prepares for an incoming disaster on Ilus; Drummer and Ashford close in on an enemy within the Belt; Bobbie takes on a dangerous job.