What business do Ray and Linette embark on in the novel, What’s Mine and Yours?

Ray and Linette open the coffee and doughnut shop, Superfine, which symbolizes the future. The friends created the shop together, yet the shop grants Ray the ability to dream about a new and better life. The shop is not only a retreat for Ray and Gee, but promises to make their lives better in the years to come. Once the shop disappears, the characters' futures become more uncertain.