The 100 S01E07 is about how Abby guides Clarke through a dangerous procedure while Diana Sydney takes her place as Chancellor. Kane agonizes over his recent decision.
As the conflict escalates, Clarke pleads with Bellamy to do the right thing. Octavia makes a difficult choice. Raven and Jasper work against time.
Clarke and Finn are confronted by a new enemy, Bellamy makes a heroic move to save Jasper, while those on the Ark face the inevitable.