Evidence gathered in Boston points to another cult ritual that involves alchemy. The investigators don’t know what the purpose of the ritual is or what will happen if the cult succeeds, but they know that it must be stopped. However, there is a price to pay even if the Armitage Inquiry succeeds.

A new document has led the team to Boston, to dig into the nefarious criminal underworld. As they prowl the streets looking for clues about the cult’s latest plot to end the world, they must also deal with murderous gangsters who do not like interlopers. What’s inside that skinny house?