"Raven's attempt to damage the energy turbines ends in failure, and she and the rest of the survivors are taken in custody to wait for bone marrow extractions. Jasper attempts to be a distraction for the prisoners, while Clarke and Bellamy take a hold of Cage's father. With no other way of showing the seriousness of Clarke's need to save her friends and family, she ultimately shoots Cage's father, leading him to begin bone marrow extraction on Clarke's mother, Abby. Seeing no other option, Monty bypasses into Mount Weather's filtration system and Clarke and Bellamy make the ultimate sacrifice, eradicating the rest of the mountain population by letting in outside radiation. This also kills Maya, which leads Jasper to be angry towards Clarke's decision. Cage attempts to escape but is caught by Lincoln. Cage attempts to control Lincoln and give him another dose of the Reaper drug, but Lincoln counters by severing Cage's arm and giving him the dose instead, killing him. Everyone returns to the camp, and Clarke plans to leave for a while to take up her own plans."
Well.... I really didn't expect all of the Mountain Men to die, which i think they did except for that one solider who ran away. I thought that there would be a few, like the kids, Maya and the people that tried to hide the spacer kids, who'd be cured and brought into the Spacer group. Instead they are all dead except for the one guy who you know will cause them a bunch of trouble. Probably won't be long before the Grounders are back to causing them trouble as well.
The spacer should all move to the Mountain. Seriously it is a better spot. They could fix the turbines and have power, the Mountain is already set up with tons of supplies, food, and weapons. They could fix the fog machine in case the Grounders ever screwed with them again. I'd definitely move there. I'd build a city around the entrance to the mountain and have that to fall back into in case of a massive attack or extreme weather.
Jaha just causally kills his own follower to save his own butt. "Here monster, eat this kid so I can live." Then he runs off and finds some creepy AI that wants to use the warhead he brought to Earth. Meanwhile Murphy finds some bunker that is still intact and makes himself at home. But, did you notice the guy on the video killed himself right where Murphy was sitting? Yet there was no body there, not even just hundred year old bones... so who moved it? Who is still in that bunker?