This book delves into the profound question of whether moral philosophy rests upon metaphysical foundations. Contrary to the assertions of moral relativists such as John Mackie and Bernard Williams, who contend that ethics is devoid of metaphysical grounding, this work challenges their claims. Designed for those who approach morality and view ethics as a subject firmly anchored in metaphysics, this book is an essential exploration. It delves into the metaphysical underpinnings of morality, examining the source of morality in the metaphysical self, the intricate relations between ethics, self and the world and the interplay between ethics and metaphysics. It tackles fundamental questions, such as why freedom is the foundational postulate of morality and why, akin to Kant, we must acknowledge the importance of moral law. Furthermore, the chapters explore the nature of values and their metaphysical standing, the practical application of morality in the real world, the essence of virtues as attributes of the human soul, the interconnectedness of morality with rationality and spirituality and the challenges ethics faces from relativism and naturalism. The book appeals to moral philosophy researchers and students interested in unraveling morality's metaphysical roots. It offers an investigative exploration of the intricacies surrounding the problems of morality.