After a strange new zombie attack, a terrible darkness blooms inside Alice urging her to do wicked things. She's never needed her team of zombie slayers more --including her boyfriend, Cole -- than she does now. But as Cole strangely withdraws and the zombies gain new strength, Ali knows one false step may doom them all.

Ever since a car accident killed her father and gave her a severe concussion, high school junior Lisa has been plagued by nightmares and hallucinations, but when she accepts a babysitting job in hopes it will banish the disturbing images, she faces new terror as she begins to question exactly who--or what--she is babysitting.

Set in post-civil war Spain, a young girl flees the home of her cruel step-father into an underground fantasy world where she encounters a strange creature and a terrifying battle between good and evil.