After the War of the Words competition forever alters the afterlife, siblings Milton and Marlo Fauster are separated and whisked away to the deepest bowels of the underworld. Guilt-ridden, Milton agrees to work for Principal Bubb in hopes that he can locate his sister and somehow free her. But his nefarious mission--to character assassinate the reigning vice principal of Sadia: Where the Really Mean Kids Go--runs afoul when he learns the true identity...

Eleven-year-old Milton Fauster puts aside his own escape plans to help his sister, Marlo, who is in training to be an underworld secretary, and his best friend, Virgil, who is stuck in the circle of Heck reserved for overweight children.