Your sweet tooth can get you into trouble. Lots of trouble.

Last night, I discovered the gasp index. Or maybe just re-discovered. The what? The gasp index. It's when you see a show that keeps making you exhale, sometimes audibly, sometimes quietly. Tonight I gasped about five times, then I stopped counting – I was hooked. I was obviously in the right place: the Royal Court has the reputation of being a powerhouse (to use a marketing term) of new writing.

The prolific Mike Bartlett – from whose pen have leapt television series such as Doctor Foster and Press, as well as stage hits such as King Charles III – has two things to celebrate tonight. On ITV his new three-part psychological drama, Sticks and Stones, begins, and this is also the opening night of his new play at the Kiln.

The trouble with prejudice is that you can't control how other people see you. At the start of her career, playwright Gurpreet Kaur Bhatti's work was set in her own Sikh community. But, like other playwrights from similar backgrounds, she has tended to be pigeonholed in the category of "Asian playwright", and expected to write about clichéd subjects such as arranged marriage or religion.

This is the third Emlyn Williams piece to be presented here in a decade: The Druid's Rest in 2009 was followed by the enormous success of Accolade, directed by Blanche McIntyre, two years later.

Family dramas are a staple of British new writing, but as well as talking about our nearest and dearest, can they also say something about the wider society? The Arrival, by director turned playwright Bijan Sheibani, who won an Olivier award for Bola Agbaje's Gone Too Far! in 2008, has ambitions to be a study of masculinity in crisis. After all, Agbaje's play was about brothers, and both of his recent directing hits – The Brothers Size and Barber Shop Chronicles – were pungent with testosterone.

Actor Miriam Margolyes is a phenomenon. Not only has this Dickensian starred in high-profile shows both here and in Australia, a country whose citizenship she took up in 2013, but she is also Professor Sprout in the Harry Potter films. And a familiar face from television. And a voice on radio. The programme lists her 12 major awards.

Light Falls is the sixth play that I have written for the Royal Exchange theatre in Manchester and the fourth that its outgoing Artistic Director, Sarah Frankcom, will direct.

It all started in 2009 in the National Portrait Gallery. I’d had a meeting nearby so popped in to get a cuppa and stare at the beautiful rooftop view of London from their top-floor café, but a picture caught my eye. It was part of an exhibition of Victorian Women Explorers, a photograph of a woman with a rather severe face. The label said something like: "Gertrude Bell – Mountaineer, Explorer, Diplomat and Spy.

Clean Break, the theatre company that specialises in working with women in the criminal justice system, is doing a lot of celebrating. It's the 40th anniversary of this unique female organisation and already this year they have put on a variety of shows, from Chloe Moss's Sweatbox to the devised piece Inside Bitch.