A rising star in the London arts scene of the early 1970s, gifted composer Ralph Boyd is approached by renowned novelist Edmund Greenslay to score a stage adaptation of his most famous work. Welcomed into Greenslay’s sprawling bohemian house in Putney, an artistic and prosperous district in southwest London, the musical wunderkind is introduced to Edmund’s beautiful activist wife Ellie, his aloof son Theo, and his nine-year old daughter Daphne, who quickly becomes Ralph’s muse.