Billy Yates, a forty-two-year-old Black college math professor, holds deep skepticism about God's goodness and power, but after a series of strange occurrences, Billy realizes he is the prize in a terrifying spiritual battle between good and evil. While recovering from surgery, Billy is confronted by an angel who challenges him to examine his past rather than accuse God of wrongdoing. After the surgery, Billy discovers a strange message on his body...