Jeremy Dyson and Andy Nyman, known for their work on “Ghost Stories,” present a tale centered around a family of female stage illusionists facing intense rivalry. However, the narrative loses its potency as it progresses. Sheila Gold, who claims to be Britain’s most accurate psychic, strives for credibility with her new clientele. “This is not theatre,” she declares, lighting seven candles for a séance, a remark that serves as an inside joke, as the production is, in fact, theatrical.
