Six years ago, Alice Johnson lost her sister, Alicia.Now Alice is an S.A.T. agent, trained to fight the secret organization known as Underland—the very people responsible for taking Alicia.When Alice’s first mission leads her to Malaysia, she discovers something she never thought possible:Her sister is alive.But Alicia is no longer the girl Alice remembers.Under the name White Rabbit, Alicia has been transformed into a deadly Underland operative with extraordinary abilities. Her memories have been fractured, her identity rewritten, and the sister she once loved is now someone Alice may have to fight.Determined to bring Alicia home, Alice finds herself pulled deeper into Underland's dangerous world of experimentation, secret agents, powerful enemies, and impossible choices.But Underland isn't finished with Alice.When she becomes their next target, Alice must confront the same forces that destroyed her sister—and discover just how far Underland is willing to go to create its perfect weapons.Two sisters. One was taken. One is next.And sometimes finding the person you love means facing the terrifying truth about who they've become.The rabbit is waiting.Welcome to the madness.