Errinwright makes some power moves while the situation at Ganymede becomes more dire.
Holden and company get closer and closer to the Protomolecule and Bobbie goes rogue back on Earth.
Errinwright comes clean with Avasarala while Holden and company continue searching for Prax's daughter on Ganymede.
Holden and the crew head to Ganymede while Bobbie arrives on Earth to attend the summit talks with the Martian delegation.
The effects of Ganymede reverberate through the system while Fred Johnson and the crew are on the outs with the OPA at large.
Eros begins speeding towards Earth and Miller, Holden and the rest are at the center of the system-wide crisis.
Miller, Holden and Johnson devise a plan to destroy Eros and the Protomolecule for good.