What is best for the future of our land , our environment and our food production, in an ever more overpopulated world? Is organic the answer? What about rewilding? These are timely, weighty questions for us all and full credit to a play brave enough to take them on.

Yet Mike Bartlett, the mastermind writer of that eerily prescient 2014 drama King Charles III (who also wrote and created the BBC TV series Doctor Foster ), struggles to shape these themes into a satisfyingly rounded whole peopled with characters that convince as living, breathing human beings rather than concepts on a page. This, unfortunately, was also a problem that bedevilled Unicorn , his West End drama from earlier this year about a couple who embark upon a live-in threesome.

Ruth (Hattie Morahan) and Lip

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