With Erudite and Dauntless now taking more alarming measures to keep Divergents out of Chicago, it's a race against time for Eric Coulter and the rest of the Dauntless leaders to find outliers within their perfect ranks back at the base. Divergents hide themselves in plain sight, if they don't, they'll be killed on site and dead before they touch the floor. "They are dangerous and powerful individuals, can't be trusted..." But who can Layla Adams trust enough to protect? Her husband or her best friend? Her home faction or her new one? Will the marriage even last or will it start to rot just like the rest of her?