Murphy returns to the camp carrying a horrific virus created by the Grounders to weaken the camp. After learning the Grounders plan to attack the next day, Bellamy, Finn and Raven come up with a plan to delay them.
Kettering — The Antlers
Octavia gives Lincoln his drawing book back, then tells goodbye to him and kisses him; the bridge heroes return to camp; Raven confronts Finn over his feelings for Clarke, she breaks up with him.