The Expanse: How the Roci crew splinters to face their 'ghosts' in Season 5
That means you have Amos (Wes Chatham) heading back to Earth to tie up loose ends; Alex (Can Anvar) returning to Mars to figure out if there’s anything left for him there; Naomi (Dominique Tipper) setting off to find her son; and Holden left largely on his own, facing a new threat from an old protomolecule. Steven Strait, who plays James Holden on the series, told SYFY WIRE this season was a rare opportunity to explore how these characters function when they don’t have one another to rely on. To see who they are when that found family is taken away, at least temporarily.
Source: syfy.com