Clarke and Finn escape one dangerous situation only to find themselves faced with a new enemy. Bellamy makes a heroic move to save Jasper. Raven faces a new danger, and Murphy finally gets his revenge. Meanwhile, those remaining on the Ark are coming to terms with the inevitable.
Elenco: Eliza Taylor , Bob Morley , Marie Avgeropoulos , Lindsey Morgan , Paige Turco , Christopher Larkin , Isaiah Washington , Henry Ian Cusick , Richard Harmon , Devon Bostick , Ricky Whittle , Thomas McDonell , Alycia Debnam-Carey , Eli Goree , Tasya Teles , Shannon Kook , Zach McGowan , Shelby Flannery , Richard Harmon , Sachin Sahel .