Somehow Jasper survived being speared in the chest and Clarke's determined to make sure he doesn't die. She heads out in search of the seaweed that was used to treat his wound. She goes with Wells and Finn.
A killer cloud of poison attacks the teens on The 100 Season 1 Episode 3. They won't all make it out alive.
The truth about Clarke's father and her broken friendship with Wells is revealed. It all leads to a shocking conclusion.
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