This exploration of the crucially important role played by remorse in Iris Murdochs philosophical, theological, and political thinking identifies it as a critical concept in her moral psychology and a recurrent theme in her art. Throughengagement with Simone Weil, current theories of remorse, trauma theory and Holocaust studies, itoffers fresh perspectives on Murdochs fiction particularly the late novels, her radio playThe One Alone, and her monographHeidegger.