Boston, 1870. When news of Charles Dickens's untimely death reaches the office of his struggling American publisher, Fields & Osgood, partner James Osgood sends his trusted clerk Daniel Sand to await the arrival of Mr. Dickens's unfinished novel. But wheh Daniel's body is discovered by the docks and the manuscript is nowhere to be found, Osgood must embark on a transatlantic quest to unearth the novel that he hopes will save his venerable business and reveal Daniel's killer. Danger and intrigue abound on the journey to England, for which Osgood had chosen Rebecca Sand, Daniel's older sister, to assist him. As they attempt to uncover Dickens's final mystery, Osgood and Rebecca find themselves racing the clock through a dangerous web of literary lions and drug dealers, sadistic thugs and blue bloods, and members of Dickens's inner circle. They soon realize that understanding Dickens's lost ending is a matter of life and death, and the hidden key to stopping a murderous mastermind.