Ep 4. A Lie Guarded

As tensions rise among the various factions of the surviving humans on Earth, Clarke and her team face a new threat in the form of a mysterious illness that has stricken some members of the community. Meanwhile, Clarke and Bellamy are forced to make a tough decision about whether to trust a new ally, and Octavia finds herself facing unexpected challenges as she takes on a new role within the clan. As the different groups jockey for power and resources, everyone must stay on their guard to avoid becoming the next victim of the harsh new reality that they find themselves in. With danger lurking around every corner, The 100 must band together to survive whatever challenges come their way.