Six years has passed since Brad Sizemore's grandfather died. A good man in life, he seemed destined to spend eternity in Heaven. When his grandfather begins appearing to Brad in dreams, a ghostly memory of those final months, it kicks off a string of strange visions, making him wonder if he's going mad. When he meets a priest with knowledge of him and his grandfather, he learns the truth about grandpa and why he's calling out to him. His grandfather never made it to Heaven. He calls out to Brad from his prison in Hell.

Brad learns the truth, and his grandfather's importance in the battle of good versus evil. With the aid of the priest, as well as others from Brad's life, he must do what nobody else has done. To save his grandfather's soul, he must go into Hell, where even his darkest fears call home. Can he save his grandfather and send him to his rightful place in Heaven, or will he and his friends die as the horrors of Hell fight to keep him?