Zofia is rich, celebrated, a highly successful novelist and happily married. She lives in Prague’s most fashionable quarter. But her world is about to change. With no introduction, a female fan turns up on her doorstep. Irene has flown to Prague having re-read Zofia’s novel and recognised many details of the story. Now she has urgent questions for Zofia and a forbidding-looking glass vial in her handbag…