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

Preparations for the Earth/Mars peace conference tighten the tension on Erringwright.

Holden and his crew face a Martian military blockade. Miller finds a new reason to forge ahead. Avasarala visits Holden’s family.

Miller gains valuable information from a hidden data cube. Holden and his crew learn their host’s agenda.

Holden finds an unlikely ally. Miller’s obsession with Mao intensifies.

Holden and the crew are taken prisoner by the Martian Congressional Republic Navy. Miller deals with unhappy rioters. Avasarala plays politics and gets severely burned.