Secrets and lies. Simon Gray had a late-career flop in 1999 with The Late Middle Classes, a comic drama which closed out of town before reaching the West End. It’s not hard to see why. Delicate musings about pedophilia don’t mix well with japery at the post-war middle class and its lawn-tennis-with-drinks-at-five airs. Every character is ready to explode with repressed impulses that are either nasty, immoral, or illegal. The resulting brew sits uneasily between art and entertainment. What audience, exactly, was it intended to find?