In the post-war era, a number of European nationalities were barred from the United States except for medical reasons, and the government began to suspect they were using hospitals to set up clandestine meetings.
The chase continues until his secretary suddenly changes emotionally and pulls a gun on him, also under the influence of h. He is returned to the Committee's meeting room, where it is explained that their group has existed for hundreds of years, plotting to build a ruling elite.
Minor events like Napoleon and the US's independence have set their plans back over the years, but with the use of h, they finally have the tool needed to complete their domination of the US and England.
Given a chance to speak, Latham notes they have missed an important point about h. It is not a hypnosis drug in the common sense of the term, it actually releases a second personality, one that is highly suggestible.
He goes on to note that there is a third such personality, which can also be released with h. The Committee members realize what he is implying too late; as they rush to trigger a weapon to kill him, Latham orders the guards to shoot the device.