Canaan is a quiet city on an idyllic world, hemmed in by high walls, but every twelve years the town breaks out in a chaos of bloody violence, after which all the people undergo the Forgetting, in which they are left without any trace of memory of themselves, their families, or their lives--but somehow seventeen-year-old Nadia has never forgotten, and she is determined to find out what causes it and how to put a stop to the Forgetting forever.

After fourteen-year-old Lacey Chu repairs a highly advanced smartphone/robotic pet companion, or baku, called Jinx, the baku gets her into her dream school, Profectus, where she is exposed to dangerous secrets.

"Ava's adopted sister Miyole is finally living her dream as a research assistant on her very first space voyage. But when her ship saves a rover that has been viciously attacked by looters and kidnappers, Miyole--along with a rescued rover girl named Cassia--embarks on a mission to rescue Cassia's abducted brother, and that changes the course of Miyole's life forever"--