While the Earth survivors attempt to settle into the lunar colony of , dark secrets regarding the Primes (the ruling family) begin to surface. The episode follows three primary storylines: the moral conflict over Marcus Kane’s resurrection, the emergence of a new "Clarke," and the pursuit of a mysterious leader in the woods. Key Plot Points

: Octavia's physical condition worsens as a result of exposure to the forest's toxins, leading her and Diyoza toward the "Anomaly," a mysterious green mist that seems to alter time and biology. Major Character Status Changes Clarke Griffin Compromised Mind wiped; body now controlled by Josephine Lightborn . Marcus Kane Resurrected Mind uploaded into Gavin's body. Rose

: Outside the Sanctum shield, Diyoza and Octavia Blake hunt the Children of Gabriel. They learn that the leader of the rebels is referred to as "the old man," a figure who represents a direct threat to the Primes’ rule.

Gaia begins training her to control the voices in .

Killed by a member of the Children of Gabriel during the pursuit. Developing