Twelve-year-old Aru stretches the truth to fit in at her private school, but when she is dared to prove an ancient lamp is cursed, she inadvertently frees an ancient demon.

When an archaeologist in India finds a magical stone, becomes an evil rakshasa, and begins turning the villagers into zombies, Pi is called upon for help--but soon it seems everyone around her, including the other members of the Kid Squad, are also zombies and she must find the solution on her own.