A young man's inheritance of a cursed estate plunges him into a world of ancient evils and desperate pacts. Arthur Penhaligon inherits Blackwood Manor, a place steeped in dread and whispered legends. He soon discovers that the estate is bound by a dark pact, a nightly ritual that demands a terrible sacrifice to appease the malevolent entity known as the Nightshade. Arthur must confront the manor's spectral inhabitants and the insidious influence of the Nightshade itself, all while grappling with the horrifying possibility that he is destined to become the next victim.

Gerald Kersh's 'Nightshade and Damnations' is a chilling descent into gothic horror, weaving a tale of inherited curses and supernatural dread. The narrative centers on Arthur Penhaligon's struggle against the malevolent entity bound to Blackwood Manor, a place where dark rituals and spectral inhabitants dictate a terrifying existence. Readers often note the oppressive atmosphere and the palpable sense of doom that permeates the story, highlighting Kersh's skill in crafting a deeply unsettling supernatural experience. The novel is frequently lauded for its effective blend of psychological tension and visceral horror, making it a standout in the Valancourt 20th Century Classics series.