Season 3 - Episode 10 "Brotherhood Betrayed"

After arriving in Appalachia, the Brotherhood of Steel tried to
make sense of the chaos engulfing the region. 





With the discovery of the PACT and the detonation of a nuclear
weapon at the Nuka Cola Plant, Knight Shin heads south to
investigate the Whitespring, at the Overseer’s urging, leaving
Fort Atlas vulnerable.





Little do they know that a traitor has infiltrated their
ranks…and war descends upon them.





Major Stein begins to confront his own demons, deep within his
subconscious, while Vinny Costas has plans for the future of the
Blue Ridge Caravan.





Red and Cherry continue their quest to free Antlers, Amanda and
Cindy attempt to persuade Rose the RaiderBot to help their cause,
while Jones and Abbie head back into the Mire.





And the remnants of the New Enclave are reunited at Riverside
Manor…with an eye towards the Whitespring, and a daring rescue
attempt.





The fate of Appalachia hangs in the balance.