Tess is a single mother with a three-year-old daughter Poppy but being an overprotective mother is complicating all of her personal relationships. When Tess finds a dark and disturbing drawing among Poppy's other colourful drawings she is convinced Poppy has witnessed something terrible. But's it's only a child's drawing – isn't it?While Tess will do anything to protect her daughter, she doesn't know who or what she is protecting her from. The path Tess takes only leads to more uncertainty and a place where she doesn't know who she can trust.In this episode Gregory Dobbs chats to writing team Nicci Gerrard and Sean French about the fundamentals of a psychological thriller, cultivating anxiety and uncertainty in their characters and the importance of a well made Negroni in the process of writing.