The Sweetness at the Bottom of the PieMeet Flavia: Mystery Solver. Master Poisoner. 11 Years Old. England 1950. At Buckshaw, the crumbling country seat of the de Luce family, very nearly eleven year old Flavia is plotting revenge on her older sisters. Then a dead bird is left on the doorstep, which has an extraordinary effect on Flavia's eccentric father, and a body is found in the garden. As the police descend on Buckshaw, Flavia decides to do some investigating of her own.