The Rocinante chases an asteroid as it hurtles towards Earth.

Miller devises a dangerous plan to eradicate what's left of the protomolecule on Eros.

The Rocinante crew must fight to save the ship.

With the help of Fred Johnson and the OPA, Miller, Holden and the crew stage a raid for information on the protomolecule. On Earth, Avasarala learns a truth about Fred Johnson.

Bobbie makes a decision that changes her life forever.

A discovery pushes Naomi and Holden apart and sets the Rocinante crew against each other.

Earth and Mars search for answers in the aftermath of the asteroid collision.

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

Unlikely allies Joe Miller and the crew of the Rocinante led by Jim Holden uncover more about the conspiracy to release the protomolecule on Eros station.

Holden and Miller butt heads about how the raid was handled.

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

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

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