This work investigates the moral and logical foundations of political obligation, specifically questioning whether individual consent is a necessary or sufficient condition for the legitimacy of state authority. John Plamenatz, a prominent political theorist, examines the historical development of social contract theories and their limitations. He provides a rigorous critique of the voluntarist tradition, arguing that the complexities of modern governance require a more nuanced understanding of political duty than simple consent models provide.

Scholars frequently cite this text as a foundational contribution to 20th-century political philosophy due to its analytical precision. Experts highlight the book's dense, rigorous prose as essential reading for those studying the intersection of ethics and governance.