My introduction makes four closely related arguments: that the promise functions as the governing trope of James’s work, that James rearranges the moral landscape of the nineteenth-century novel, that the depictions of promise-giving in James’s fiction challenge a number of moral philosophy’s accounts of the nature of obligation, and that the relation between morality and literature is better posed in terms of form than in terms of content. I explore a range of ethical dilemmas posed by philosophers working in moral philosophy, speech act theory, and the philosophy of identity. In addition I sketch out a short history of the nineteenth-century novel, focusing on the centrality of the promise to British, French, and American writers.