The twelve clans and the Dark lands people have been living in uneasy peace. But when 100 children and the rest of the Ark fall from the sky and increasing tensions from the mountain, y/n is sent to help as piece offering in order to hold the piece they all have fought to keep together. Lexa and you (eventually) Lexa and Clarke You and OC I do not own the 100 or its characters but have modified the plot line in this story.