All roads lead back to Memory Lane. The impossible happened when Hannah found her younger sister alive. Leslie's miraculous return opened the door to more questions than answers. The memories of those four years inside Memory Lane are broken and scattered, but one thing is certain. She wasn't the only child in the program. The key to Gideon Wesley's sinister plans lies in Leslie's jumbled memories. As Hannah and their cousin Thomas begin to unravel the horrors of Memory Lane, they discover that the depth of their power and control is greater than they ever knew. Pressure is mounting for Hannah's friends Kate, Jenson, and Gill as they work with the rebel group, The Memorizers, to gain control of Memory Lane. With Gideon Wesley and all of Memory Lane hunting them, can The Memorizers keep them all safe? Is everyone's loyalty true, or is there a traitor in their midst?