Mike Mignola teams up with artist Ben Stenbeck (B.P.R.D.: The Ectoplasmic Man) for a look into one of the Hellboy universe's greatest enigmas: nineteenth-century occult investigator Edward Grey In one of Grey's first cases as an agent of the queen, he goes from the sparkling echelons of Victorian London to its dark underbelly, facing occult conspiracies, a rampaging monster, and the city's most infamous secret society: the Heliopic Brotherhood of Ra.