Where were you when the lights went out on 16th March 2020? And what were you doing? I was about to step out on stage at the Waterside, Aylesbury, as Major Metcalf in The Mousetrap by Agatha Christie. But then, with less than an hour to curtain up, the curtain fell. Who dunnit? Why, Covid, of course. The Write Escape takes up the story from there…