Power takes a mother Тобиаса, Evelyn. Suddenly a true breaks forth outside. It turns out that a city is the quite not ideally structured society, and "реалити-шоу". Кукловодами are enigmatic people that hides after a fence. The third part begins.Трис and Тобиас together with the company of friends get out outside a native house. They want to know a true and find freedom. But get straight the century of Bureau of Genetic Defence. Them the employees of Bureau meet - in fact exactly they watch a ward from birth. New reality "bites" too. Appears, in the past genetic War flamed up for Cleanness. As a result the world was divided by "genetically clean" and "genetically damaged" individuals. And scientists grew into the obsessed monsters and began to experiment: to create artificial settlements and inculcate the agents in them. Primary objective experimental - to serve as expense material and to give clean" posterity "genetically.Трис indignant to the innermost of one's the heart, Тобиас rushes about in search of itself and walks smack in next alteration. And scientists from Bureau are again dissatisfied. They intend to arrange a "restart", id est to wipe memory of all habitants of city. Трис and other decide to prevent a catastrophe!. Who will win?A book also went out under the name "Devoted".