Clarke takes on the traditions of Sanctum, talking to Raven and Bellamy about their past. Raven doesn't want to hear it and goes and meets Ryker. Bellamy accepts and she tells him that he is her family and is important to her.
There is a party to prepare for Naming Day, which Russell refuses to drop. Clarke hooks up with the doctor there, but hem quickly realizes he had a different motive planned. He knocks her out and tries to take her to the Children of Gabriel but instead has to kill himself when guards come. Russell decides to use Clarke since she is a NIghtblood to put Josephine in her, killing Clarke's memory and ability to control her body.
Meanwhile, Diyoza and Octavia end up pairing up in the woods to find the old guy that the Children of Gabriel keep talking about. They think if they kill him then Sanctum will let them back in, even though Rose was killed in their attempt to escape. Also Xavier seems to help Octavia from the beginning without her knowing.
Jordan and Delilah bond but before the ceremony she asks him to save her from being a face through the glass, and then she reappears as Priya and doesn't know who he is anymore.