Holding stubbornly to the belief that she is still alive, Michael sets out to find her. Meanwhile, Fremont, with a serious head injury and two broken legs, has been spirited away from the site of the explosion by a dark and imperious rescuer -- Melancthon Pratt, a devout and dictatorial Mormon who already claims five wives and is bent on making Fremont his sixth. Awakening in Pratt's remote cabin, confused and completely dependent on her captor, Fremont can only concentrate on devising a mode of escape.

How she does so -- and how Michael finds and is finally reunited with his "partner for life" (while being pursued not only by a former rival in the world of international espionage but also by his and Fremont's would-be killer) -- creates the basis for a fascinating two-pronged plot told from alternating points of view.

"Death Train to Boston" proves once more Dianne Day's ever-growing versatility and storytelling gifts.