The core storytelling remains classic whodunit fare focused on motives, interrogations, and period atmosphere without overt lectures or identity politics as the premise. However, the second case, 'Cover Her Face,' changes the original novel's Maxie family to the Mehta family (played by Parth Thakerar as Krishna Mehta, Ellora Torchia as Devi, and Soni Razdan as Anita Mehta), explicitly introducing a South Asian household and 'the sinister shadow of racism' as a subplot element tied to the murder of maid Sally Jupp.

This represents a deliberate alteration of established source-material characters and setting for contemporary diversity and thematic emphasis. The 1979 Thatcher-era framing adds light political context to one case involving a 'wealthy family under political attack,' but these elements influence subplots rather than drive the foundational narrative or character arcs. No creator statements emphasize activism, and audience reception shows no notable backlash.