The Diplomat review – nothing else on TV is as entertaining as this exquisitely stressful show

Keri Russell is still trying to stop a sea of berks who are one bad hair day away from starting a nuclear war – only this time, the cortisol levels and the sauciness have been ramped up even further The Russian submarine is on the fritz and as such remains at the bottom of the North Sea. Its fancy nuclear missile, meanwhile, has been purloined by the Americans in an operation presumably entitled Let’s Flush Our Alliance With the Brits Down the Bog (and potentially instigate the third word war while we’re at it).

The prime minister, Nicol Trowbridge (Rory Kinnear), remains oblivious and a berk. The Russians are similarly unaware of the theft, for now at least, but the US ambassador to the UK, Kate Wyler (Keri Russell), predicts the eventual discovery will blast the Kremlin’s ushankas skywards. “Russia will come to get their sub,” she warns her unblinking husband – and current US vice president – Hal (Rufus Sewell). “They will lose their shit when they find their apocalypse weapon is gone and they will attack the United Kingdom! ” “Hmm,” replies Hal, who has, one suspects, shiftier fish to fry. “Mmm. ” This is where we find ourselves as The Diplomat returns for a…