Beatrice Prior and Tobias Eaton venture into the world outside of the fence and are taken into protective custody by a mysterious agency known as the Bureau of Genetic Welfare.
Sean Anderson partners with his mom's boyfriend on a mission to find his grandfather, who is thought to be missing on a mythical island.
After their late former Captain is framed, Lowrey and Burnett try to clear his name, only to end up on the run themselves.
