The Importance of Being Earnest is a revolutionary Wilde party, but what’s that hiding under the bustles?

For Act II, we escape to the country. But, as Lady Bracknell puts it, something particularly exciting must be in the air in this particular part of Hertfordshire. Not to put too fine a point on matters, but they’re all going at it. Set designer Rae Smith brings us to a Mannerist rose garden, sprayed with glitteringly artificial flowers like a staging of Fragonard’s The Swing. Here, we meet Jack’s ward, Cecily (Little Women star Eliza Scanlen, who plays her like a bratty swan, a…