The disappearance of rich-girl-turned-political-activist links the lives of Ceres detective, accidental ship captain and U.N. politician. Amidst political tension between Earth, Mars and the Belt, they unravel the greatest conspiracy.
Cast:Steven Strait , Dominique Tipper , Wes Chatham , Shohreh Aghdashloo , Cas Anvar , Frankie Adams , Cara Gee , Shawn Doyle , Thomas Jane , Florence Faivre , Nadine Nicole , Chad L. Coleman , Anna Hopkins , Keon Alexander , Jasai Chase Owens , Andrew Rotilio , Nick E. Tarabay , David Strathairn
Unlikely allies Joe Miller and the crew of the Rocinante led by Jim Holden uncover more about the conspiracy to release the proto-molecule on Eros station.
Holden and crew stage a dangerous raid in search of information about the protomolecule.
Miller devises a dangerous plan to eradicate what's left of the protomolecule on Eros.
The asteroid Eros takes direct collision course towards Earth. The Rocinante chases it. As last defense Earth launches missiles against Eros. Miller went inside Eros and makes a surprising discovery.
Earth is planning an expedition to the point of Eros impact. Chrisjen conflicts with Sadavir about Jules-Pierre Mao. Col. Frederick Lucius Johnson improves his position in unexpected way. New battleground is opening.
Draper struggles with what happened on Ganymede while the coming Earth/Mars peace conference tighten the tension on Errinwright. Dawes confronts Fred Johnson about what the OPA's course of action should be regarding the protomolecule.
Naomi tracks down signs of protomolecule and Fred Johnson's control over OPA collapses.
Bobbie becomes a pawn in a struggle between Earth and Mars.
Bobbie makes a decision that changes her life forever.
A discovery pushes Naomi and Holden apart and sets the Roci crew against each other.
In the final episode of this season, the crew of the Rocinante comes face to face with an evolving intelligence infused with the alien protomatter.