Who knows you better than your best friend? Who knows your secrets, your fears, your desires, your strange imperfect self?Edi and Ash have been best friends for over forty years. Since childhood they have seen each other through life's milestones: stealing vodka from their parents, REM concerts, marriages, infertility, children. As Ash notes, 'Edi's memory is like the back-up hard drive for mine.'So when Edi is diagnosed with cancer, Ash's world reshapes around the rhythms of Edi's care, from making watermelon ice cubes and music therapy to snack smuggling and impromptu excursions into the frozen winter night....

The humble, quirky house they rent has been the site of sweet memories, sunny days, shared mishaps and memories. It is a place where her family comes together and Rocky wants to cling to every moment.Now, sandwiched between her children who are adult enough to be fun but still young enough to need her, and her parents who are ageing but healthy enough, Rocky wants to preserve this precious moment for ever.