There is a peace conference about and two members will be killed by the Gaslight-Ghoul somewhere in London. there also is a society which is trying to solve the Gaslight-Ghoul murders which has been taken place around 1888. Steed joins this sociey and is wearing a black cape with hat and a false beard. All the members of the society are dressed like that. it appears the chairman of the society will wreck the conference because he is a weapon dealer and he thinks the conference is taking the bread out of his mouth.