Tony Evans is the deputy head of a local primary school. Emma Dretzin is a pianist, composer and single mother of two daughters. Neither knows the other until a startling encounter changes the course of their lives: on the same morning, they are both confronted with a diagnosis of Parkinson’s.

Laura Linney
as Emma Dretzin

Rhys Ifans
as Tony Evans

Rory Kinnear
as Professor Ridge

Monica Dolan
as Liz Evans

Isabella Nefar
as Bahar

Leah Byrne
as Julie

Danielle Galligan
as Carol

Paul Mayhew-Archer
as Tom

Sorcha Cusack
as Mary

Emma Louise Webb
as