 Doug and Tony next find themselves on the outskirts of Baltimore, in 1861, where they encounter a fanatical family of abolitionists who intend to murder Abraham Lincoln when the president passes through en route to his inauguration. They hope to plunge the country into a war that will end slavery. Jeremiah, the leader, has devised a clock operated explosive he intends to place on the president s train. Doug and Tony have their hands full, since the President s chief spy, Allan Pinkerton, believes *they* are the threat!