As Abby and Jaha each try to establish their authority, Clarke comes up with a plan to stop the Grounders' attack. At Mount Weather, Jasper, Monty, Miller and Harper plan their escape, as Dr. Tsing and Cage conduct deadly experiments.
Clarke comes up with a new plan to stop the Grounder's attack. To fulfill that, she has to make a deal of her own. At Mt. Weather, Jasper and Monty want the truth about everything. Dr. Tsing is conducting an experiment that could change her people's lives forever, ending the 47. Everyone knows that a deal always has a price. And that price sends Clarke over the edge.—Alexa Montesino