In a world where boundaries forms between everyone, humans are divided into five factions; Abnegation, Amity, Candor, Dauntless and Erudite. Each of these factions have a particular job to run the city. A person must have only one faction.
Once every year, some teenagers that are now capable of entering adulthood are challenged to take a test that determines their faction to which they will devote themselves- for the rest of their lives.
This is a story that spins around Felictine Corghall, a sixteen-year-old Dauntless. During the Choosing Ceremony, her one and final decision shocked everyone; her faction from birth, and the world itself.