Clarke and her friends attempt to rebuild Sanctum as a new threat rises in the woods.
Echo and Gabriel learn more about Hope, her mysterious past on the planet, and how she's connected to Octavia.
As Raven faces an unexpected threat, Clarke must keep the peace among opposing factions in Sanctum.
Mysterious outsiders arrive with news of Clarke's missing people; a prisoner arrives on Skyring and bonds with Hope.
Octavia gets to know a whole new world; Murphy and Emori play make believe.
Clarke and her friends find themselves on a planet that is not what it seems; Diyoza attempts to escape from her captors.
Eliza Taylor
Clarke Griffin
Paige Turco
Dr. Abby Griffin
Bob Morley
Bellamy Blake
Marie Avgeropoulos
Octavia Blake
Lindsey Morgan
Raven Reyes