Trapped in the white room, Clarke tries to make sense of her surroundings. The Ark survivors face moral and physical dilemmas. An old enemy returns.
After a shocking death, Clarke and Finn grow closer. Bellamy must keep the group from turning on one another and Abby takes a huge risk.
A suspicious Clarke confronts President Dante Wallace and demands answers. Kane interrogates one of the 100, and Abby performs emergency surgery.
After exposing Kane’s plan to reduce the population of the Ark, Abby and Jaha realize at least some of the 100 must still be alive.
Clarke teams with an unlikely ally after making a horrific discovery about Mount Weather’s medical ward. Abby confesses to a crime.
Bellamy and his crew run into Grounder territory as they search for Octavia while Raven notices the deep connection between Finn and Clarke.
After a betrayal, Clarke takes matters into her own hands, Bellamy, Finn and Murphy race to save a stranger and tensions rise between Raven and Wick.
