The episode's final moments introduce two major narrative shifts:
Murphy discovers a bunker containing a video dated the year of the apocalypse. The recording shows a man explaining that a woman (later revealed as A.L.I.E.) obtained launch codes before he commits suicide. Thematic Analysis [S2E16] Blood Must Have Blood Pt. 2
After bargaining fails and Cage Wallace refuses to stop the bone marrow extraction on the Sky People, Clarke, Bellamy, and Monty flood Level 5 with outside radiation. This act kills over 300 Mountain Men , including innocent civilians and children. Major Character Deaths: The episode's final moments introduce two major narrative
The survivors return home, but Clarke cannot bear the guilt. She leaves the group to "bear it so they don't have to," despite Bellamy offering her forgiveness. Setting Up Season 3 [S2E16] Blood Must Have Blood Pt. 2