The first thing she did was answer the question that has been tormenting readers and Tris for a long time: What is the true meaning of Divergent? This knowledge will not only propulse the story forward but create lots of discomfort between the characters that were already troubled by the factionless. Sides are taken once more. Particularly after tests show that Four might not be divergent after all.
Roth may not have given her fans a fairy-tale ending, but she compensated by filling the book with non-stop action. It's honest, hopelessly romantic, and impossible to put down.