Beatrice Prior is a teen from an Abnegation family. During her test, she does not fit into any one group. This is called being Divergent. The society does not like people who are divergent, because they do not fit in. Beatrice chooses to join Dauntless and become a soldier. While she is being trained by the military instructor named Four, they learn about a plot by the Erudite group to kill all of the Abnegation people and take control of the city.