After his evil plan to invade America’s children’s hospitals was foiled, the demon doll now seeks revenge on those he holds responsible, including his ex-girlfriend, Tiffany.

Naomi comes face to face with Filip. Holden and Fred turn the tables. Avasarala closes in on Marco’s plot.

Holden and Fred deal with infiltrators on Tycho. Drummer’s past comes back to haunt her. Amos returns to Baltimore. Alex and Bobbie’s investigation on Mars leads to rogue soldiers.