When Kat Bird wakes up from a coma, she sees her mirror image: Jude, her twin sister. Jude’s face and name are the only memories Kat has from before her accident. As Kat tries to make sense of things, she believes Jude will provide all the answers to her most pressing questions: Who am I? Where am I? What actually happened? Amid this tragedy, Jude sees an irresistible opportunity: she can give her sister a brand-new past, one worlds away from the lives they actually led. She spins tales of an idyllic childhood, exotic travels and a bright future. But if everything was so perfect, who are the mysterious people following Kat? And what explains her uncontrollable flashes of violent anger, which begin to jeopardize a sweet new romance? Duped by the one person she trusted, Kat must try to untangle fact from fiction.