Before they were vanquished by the B.P.R.D., Lovecraftian monsters created a Hell on Earth As society rebuilds, strange cults vie for influence, and the demon Varvara emerges to lead the way ... Abe Sapien returns from his self-imposed exile to rejoin Liz Sherman just in time for the Bureau to face the final threat to mankind. Collects B.P.R.D The Devil You Know issues #1-#5.