A Sting in Her Tale

When a retired former spy's mission to drown herself is interrupted by a baby drifting down river, her training kicks in at once. She saves the baby, and conceals herself from the shady-looking man who is searching for it. Then an elderly neighbour to whom she bears a resemblance is found dead, and she knows she's been rumbled. She has to dust off the highly trained and resourceful secret service officer she used to be, ensure the safety of the baby, and re-enter the fray.