Rosemary Peterson has lived in Brixton, London, all her life, but everything is changing. The library where she used to work has closed. The family grocery store has become a trendy bar. And now the lido, an outdoor pool where she has swum daily since its opening, is threatened with closure by a local housing developer. Twentysomething Kate Matthews has moved to Brixton and feels desperately alone. A once promising writer, she now covers forgettable stories for her local paper. That is, until she is assigned to write about the lido’s closing. As Rosemary slowly opens up to Kate, both women are nourished and transformed in ways they never thought possible.