All was perfectly, when Dolly Бантри woke up for itself at home in the quiet hamlet of Сент-Мэри-Мид. Perfectly - until in a room, where a domestic library was situated, it was not found out the body of young girl. According to a doctor, she was smothered last evening, this side of midnight. Thus nobody in a house knew this attractive blonde. So who she and who could kill her? Suspicion at once fell on a husband Dolly, colonel in retirement, having reputation of procrastination. That swears, that in life did not see this girl. But how did she then appear in his library? Then Dolly calls the old friend of miss Марпл for help, that found the real killer - or opened a frightful true about a husband.