当一个神秘人物开始以国家炼金术士为目标，指责他们犯下亵渎上帝的罪行时，炼金术士爱德华·艾尔利克和他的兄弟阿尔冯斯正处于最脆弱的时刻，与此同时，人造人开始再次显露出自己的真面目。

When a mysterious figure starts to target State Alchemists for their sins against God, Alchemist Edward Elric and his brother Alphonse are at their most vulnerable, meanwhile the homunculi begin to unveil themselves once again.