Lungs By Duncan Macmillan May 2026

At first glance, the setup sounds almost deceptively simple. A man and a woman—simply named W and M—stand in a bare space (no set, no props, just two microphones). They are in an IKEA. They are having a tense, whisper-argument about whether to have a child. She wants one. He is terrified. But within ten minutes, you realize this isn't a play about baby names or nursery colors. It is a terrifying, beautiful, and devastatingly honest calculus of love, guilt, and the planet we are leaving behind.

Duncan Macmillan has written a play for our age of anxiety. It is small in scale (two people, no props) but infinite in scope (the entire future of the human race). lungs by duncan macmillan

The Weight of Air: Why Duncan Macmillan’s “Lungs” Will Leave You Breathless At first glance, the setup sounds almost deceptively simple

Macmillan doesn’t give us a villain or a hero. Both characters are right. And both are terrified. It is a 75-minute panic attack about modern morality. If you have ever lain awake at 3 AM wondering if your recycling bin is full enough or if you should have children, this play is your reflection. They are having a tense, whisper-argument about whether

This relentless pace mimics how anxiety actually feels. Time collapses. We worry about the next five minutes and the next fifty years simultaneously.

There is a scene in the second half involving a concert and a phone call that is, without hyperbole, one of the most heartbreaking sequences ever written for the stage. It reminds us that while we worry about the future of the planet, we often forget to survive the present moment.