Holden and crew are trapped in badly damaged shuttle. On Ceres, Miller uncovers clues about Julie Mao. On Earth, Chrisjen Avasarala questions a terrorist.

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

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.

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

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

The Rocinante chases an asteroid as it hurtles towards Earth.

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

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

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

All eyes turn to the edge of the solar system as a mysterious new presence emerges; Naomi recommits to her roots; Drummer butts heads with a seasoned new commander aboard the Behemoth; and a young Belter makes a name for himself.

An old friend taunts Holden with the answers he seeks. Naomi struggles to fit in. A mysterious low-level tech aboard the Thomas Prince enacts a terrifying plan.

The Rocinante seeks a new gameplan as they attempt to avoid capture. Melba's true motives are revealed. Naomi is torn between identity and ideal. Anna seeks a way to stay aboard the Thomas Prince.

Holden sees past, present, and future. A ghost from Melba's past threatens her mission. Bobbie struggles to trust an old friend as she leads a group into unchartered territory.

Drummer and Ashford find themselves trapped with few options for survival; Anna tends to the wounded masses as Melba continues to hunt down her prey; the Rocinante crew struggles to survive as Naomi reunites with her true family.

As survivors arrive to the Behemoth, two factions form over how to handle a life-or-death threat. Holden grapples with what he's seen and the choices he must make.

Holden and his allies must stop Ashford and his team from destroying the Ring, and perhaps all of humanity.