Em returns to Austin Valley, but there are many things that don't add up about her homecoming. She's left Rogue behind and is adamant that Dr. Parker must leave the Valley with her. Zack agrees to help her but soon learns she's not telling the whole truth when Rogue comes storming back. With the threesome reunited, they work on a plan to stop the Defect crisis. Their plan places all of them at risk, but Em knows they have no other choice. Hundreds of kids are being injected with poison every day, and Nona, her sister, is one of them. Em Fuller has one mission and will stop at nothing to achieve it: Bring the government of Austin Valley down.