Part 4/9:
As Raven continues attempts to restore contact with the Ark, a mysterious affliction strikes the camp. Individuals start bleeding from the eyes, leading to rapid spreading of what appears to be a deadly virus. Clark witnesses her own alarming symptoms manifest, causing panic among the members. In light of the outbreak, a quarantine is implemented, but Octavia, who seems immune, decides to find Lincoln for potential aid.
After their fateful reunion, Lincoln confirms that the virus, deadly to some, is not permanently fatal; the infected have a chance at recovery. However, the hurried arrival of Grounders threatens their recovery and sets the stage for impending conflict.