Weapons-grade zingers come thick and fast in this chamber piece about four plutocrats on a weekend in a lodge that goes awry when the planet descends into chaos

Jesse Armstrong has returned with what feels like a horribly addictive feature-length spin-off episode from the extended Succession Cinematic Universe – though without Succession cast members. It is set in a luxurious Utah megalodge which winds up resembling the Dr Strangelove war room, mixed with the apartment from Hitchcock’s Rope. Mountainhead is a super-satirical chamber piece about the deranged, cynical and facetious mindset of the uber-wealthy, the kind of people who think about ancient Rome every day, though not about Nero and his violin. It may not have the dramatic richness of Armstrong’s TV meisterwerk while the pure testosterone of this all-male main cast (minus any Shiv figure) is oppressive – though that is kind of the point. The pure density of...