Wick and Raven are faced with a setback. Maya and Jasper witness a terrible act.

Lexa and Clarke get into a heated discussion during battle preparations; Bellamy races against time.

Clarke begins to question Lexa’s leadership decisions and Indra continues to push Octavia. Meanwhile, at Mount Weather, Jasper steps up into the role of leader, and Cage throws Maya into…

Clarke is faced with a difficult choice and Raven helps Bellamy navigate Mount Weather as Dr. Tsing begins to harvest the 47, while Jaha and Murphy encounter a stranger on…

Lives are left in danger following the arrival of a new threat. Lincoln and Bellamy decide to break into Mount Weather.

Lexa and Clarke manage to make a deal.The newly created alliance is under threat. Monty comes up with a plan.

Clarke comes back to Camp Jaha with some shocking news. Finn has to face the consequences of his actions.

Bellamy is able to get Clarke to agree to accompany him to the drop ship. Dr. Tsing is in charge of a deadly experiment.

Tensions are running high between Clarke and Finn. Raven finds out that Mount Weather is interfering with their communication systems.