The year is 1898, and Mina Murray is recruited by Campion Bond on behalf of British Intelligence and asked to assemble a league of other extraordinary individuals to protect the interests of the Empire: Captain Nemo, Allan Quatermain, Dr. Jekyll, and Hawley Griffin the Invisible Man. They help stop a gang war between Fu Manchu and Professor Moriarty, nemesis of Sherlock Holmes. Following this they take part in the events of H. G. Wells's The War of the Worlds.