The group is summoned to British Columbia after an American General, Steele, is kidnapped by Indians from the British territory. To avoid a war between the two countries, Fogg and the others must find Steele.

When a college friend of Rebecca's, Amateratsu, and her grandfather Kajimori travel to Paris, the grandfather is kidnapped by the Inquisitor, a member of the League of Darkness. Kajimori has knowledge of a potion of "enlightenment," which he has passed on to Amateratsu.