There were four of them, and they considered themselves musketeers. They went to the same fencing club and even won a Moscow team championship among boys. And when they received the crystal Cup, they sealed their friendship with a vow to meet again twenty years later and help a friend if he turned out to be in trouble.
Twenty years passed. Now they were no longer musketeers—rather, a successful businessman, a famous theater director, a relatively unknown actor, and a writer unknown to anyone. And there was no agreement among them—only enmity, rivalry, a passion for a woman, and hidden envy.
And then one of them is murdered. Stabbed with a rapier. Who is the killer? Who dared to deliver the fatal blow and put an end to a secret duel that had been going on for years?