Jaha employs a terrifying new method to convince Abby to join his cause, Kane is on a mission, and Bellamy is hit with a hard truth. Meanwhile, Monty finds himself in a precarious situation, and Jasper rushes to save one of his own.

Clarke and Roan are forced to work together when they are tasked to deliver a dangerous but crucial asset to Abby through enemy territories.

Our Heroes are forced to rely on the help of Shallow Valley's dangerous new inhabitants in order to save some of their own, with surprising results.

Clarke embraces the traditions of Sanctum and tries to make amends for her past actions.

Bellamy and Octavia must work together to save their friends. Echo is forced to face her past.