Guilt and restitution constitute one of the most productively contested dyads in the depth-psychological tradition. The corpus traverses this territory along several distinct axes. Nietzsche anchors the genealogical inquiry, tracing guilt (Schuld) to the archaic creditor-debtor relationship and demonstrating that the very concept of moral culpability is inseparable from an economy of injury and repayment. Heidegger radicalizes this by relocating guilt into ontology itself — Being-guilty as a structural feature of Dasein prior to any ethical transgression — and Ricoeur reads Heidegger as deliberately severing guilt from its intersubjective, reparative dimension, a move Ricoeur regards with suspicion. Yalom, working from existential-clinical ground, distinguishes neurotic from ‘real’ guilt and insists that the latter demands actual or symbolically appropriate reparation, not merely intrapsychic working-through. Hollis and Maté chart the phenomenological range — from mature recognition of responsibility, through pathological chronic guilt disconnected from specific wrongs, to existential guilt as avoidance of authentic selfhood. The Twelve-Step tradition, examined by Schoen, Brown, Shaw, and Maté, offers a structured practice of restitution through moral inventory and amends. Williams and Cairns examine the boundary between guilt and shame, asking whether guilt is inherently victim-oriented and reparative or whether it dissolves into abstract law-regard. Taken together, these voices make guilt and restitution a hinge-point between ontology, ethics, clinical practice, and cultural narrative.