The B.P.R.D. plunges a little more into the torment while the United States is in full swing under an invasion of demonic frogs. Haunted by their own demons, Abe Sapien and Liz Shermane are now only the shadow of themselves. And in the absence of the natural leader of the B.P.R.D., certain characters reveal themselves, ... In the shadow, the Black Flame, at the head of a new generation of Nazi fanatics, prepares the awakening of ancient Gods.