Are Grounders - Part 1 - [s1e12] We

: After returning to camp, Clarke and Bellamy disagree on strategy. Bellamy gives a rousing speech declaring that they are now "Grounders" and should stand their ground to fight. Clarke overrules him, insisting they must evacuate to the ocean to survive the incoming army.

: Inside the delinquents' camp, Murphy seeks revenge against those who tried to hang him earlier in the season. He murders Myles and takes Jasper hostage inside the dropship. Bellamy trades himself for Jasper's safety, leading to a tense standoff where Murphy forces Bellamy to tie and hang from his own noose. [S1E12] We Are Grounders - Part 1

: Following their capture by Grounders, Clarke and Finn are rescued by Lincoln. During their flight, Lincoln leads them into a mine tunnel system inhabited by Reapers —savage, cannibalistic humans. Lincoln stays behind to distract the Reapers, while Finn is forced to commit his first official kill to save Clarke. : After returning to camp, Clarke and Bellamy

: Raven is shot through the dropship floor by Murphy while trying to help Bellamy, leaving her mortally wounded as the camp prepares to flee. : Inside the delinquents' camp, Murphy seeks revenge