The story of "The Exorcism of God" follows father "Peter Williams", an American exorcist who, being possessed by a demon he was trying to expel, ends up committing the most terrible sacrilege. Eighteen years later, the consequences of his sin will come back to haunt him, unleashing the greatest battle against the evil within.

传奇导演詹姆斯·古恩尽情发挥其标志性风格，在全新构想的DC宇宙中精心诠释了这位经典超级英雄，呈现出一位充满同情心和坚信人性本善的新超人。

故事讲述彼得·威廉姆斯神父的他被一个他试图驱除的恶魔附身，最终犯下了最可怕的亵渎罪，18年后，他的罪的后果将再次困扰他，展开与内心邪恶最伟大的斗争。