What happens in One Day?
Emma Morley and Dexter Mayhew meet on 15 July, the night of their graduation in Edinburgh. She is clever, principled and unsure of herself; he is charming, privileged and sure of everything. They spend one night talking, and go their separate ways the next morning.
The same day, every year
The story then revisits the two of them on the same date, year after year. Each visit is a snapshot: where they are living, who they are with, what they have won and lost since the last one. We see only one day a year, and have to fill in the rest ourselves.
Drifting apart, drifting back
Dexter's early success in television brings fame, parties and a steady slide into excess. Emma works dead-end jobs while trying to write. Their friendship survives other partners, arguments and long silences, and the question that runs through the whole story is whether two people who clearly belong together will ever manage to be in the same place at the same time.
Timing
One Day is a love story about timing and missed chances, funny and very sad by turns. If you don't already know how it ends, we won't be the ones to tell you.
From page to stage
The novel
David Nicholls published One Day in 2009. It became an international bestseller, was adapted into a 2011 film and, in 2024, into a Netflix series that introduced the story to a new generation.
The musical
The stage version has a book by David Greig, the Scottish playwright, and music and lyrics by Abner and Amanda Ramirez, the husband-and-wife duo who record as Johnnyswim. Max Webster directs, with choreography by Carrie-Anne Ingrouille, set and costume design by Rae Smith, lighting by Bruno Poet, sound by Simon Baker and orchestrations by Simon Hale.
Edinburgh premiere
The musical opened at the Royal Lyceum Theatre in Edinburgh in March 2026, fittingly the city where Emma and Dexter meet. The theatre was reconfigured in the round for the production, and the run was extended by two weeks before closing in April.
The West End transfer
The production moves to the Garrick Theatre from 17 November 2026, with Jamie Muscato and Sharon Rose continuing as Dexter and Emma. Muscato played J.D. in the original London production of Heathers The Musical.
Performance schedule
- First performance: 17 November 2026
- Currently booking to: 14 March 2027
- Running time: About 2 hours 40 minutes, including one interval
Access performances
- BSL-interpreted: Friday 22 January 2027, 7:30pm
- Captioned: Saturday 6 February 2027, 7:30pm
- Audio-described: Sunday 28 February 2027
Age guidance and content
Recommended for ages 12 and above. The show contains drug and alcohol misuse, very strong language and strobe lighting.
Cast
- Jamie Muscato as Dexter Mayhew
- Sharon Rose as Emma Morley
Further West End casting to be announced.
Creative team
- Based on the novel by: David Nicholls
- Book: David Greig
- Music and lyrics: Abner and Amanda Ramirez
- Director: Max Webster
- Choreographer: Carrie-Anne Ingrouille
- Set and costume design: Rae Smith
- Lighting: Bruno Poet
- Sound: Simon Baker
- Orchestrations: Simon Hale
Getting there
- Tube: Leicester Square (Northern, Piccadilly) is a short walk; Charing Cross is also close