In contemporary South African fiction, the deconstruction of the plaasroman (farm novel) serves as a potent vehicle for critiquing the nation's stalled socio-political transformation. This study examines Damon Galgut’s Booker Prize-winning novel, The Promise (2021), as a seminal work of post-apartheid disillusionment. By tracing the multi-generational decline of the Swart family across four decades and four funerals, Galgut uses the physical and moral decay of the white-owned farm to allegorize the "curdling" of the Rainbow Nation’s idealistic foundations. The paper argues that Galgut subverts traditional pastoral tropes by employing what can be termed the necro-pastoral—a landscape where the land no longer represents life and legacy, but becomes a site of stagnation and burial. Central to this analysis is the "promise" of land ownership made to Salome, a Black domestic worker; her decades-long wait for justice serves as a scathing indictment of white liberal complacency and the failure of the state to address structural dispossession. Furthermore, the study explores how Galgut’s narrative fluidity—a restless, "cinematic" point of view—mirrors the fractured consciousness of a society unable to reconcile its past with its present. By examining the motif of the decaying homestead alongside the physical deterioration of the characters, this paper concludes that Galgut portrays white South African identity as a fading, irrelevant force.