The Coniston case

Valentine's Day is fast approaching and business at Persimmon "Simmy" Brown's flower shop is booming. But when Simmy fulfills a string of anonymous delivery orders, she is startled to realize that each contains a secretly menacing message for the recipients. When one of the people who receives a bouquet disappears, it seems that her worst fears have been confirmed. As if that isn't enough, Simmy's friend Kathy turns up, on the trail of her waywar...