For the first time in Russian - a new bestseller from the queen of foreign detective stories! Twenty years ago, the estate of millionaire Robert Powell hosted a noisy celebration on the occasion of the graduation party of his stepdaughter and her three friends. Many people remember this famous party - but not only because of its scope and luxury. After all, it was that night that the millionaire’s wife, Betsy, was strangled in her bedroom. The police never found the culprit, deciding that a random burglar had sneaked into the house that evening. However, everyone around was gossiping that the killer was one of the graduates. After all, in fact, each of the four girls had their own motive... And now, twenty years later, the famous journalist decided to make a TV show, inviting all the participants of that prom to Powell’s house. And the millionaire himself agreed to the reconstruction of those ancient events, because he was determined to find out who killed his beloved...