High-flying London PR executive Agatha Raisin fulfills a lifelong dream of retiring to a small village in the Cotswolds. Desperate to fit in, she enters the local quiche-baking competition, only to find herself a suspect when her entry kills the judge. To save her reputation, Agatha sets out to solve the murder, with the help of her former assistant Roy, eager Detective Constable Bill Wong, and her cleaner, Gemma. Along the way, Agatha discovers that she has a talent for crime-solving, even if it means her new life in the country is not the quiet idyll she had imagined.