Random meetings and partings, finds and losses... Are there random murders? A killer kills a successful businessman and an elderly couple in an elevator. It would seem that everything is clear: money, jealousy, mistresses. Each of Alexander's acquaintances has more than enough motives. And the women with whom fate brought him together experience relief rather than grief from his death. Only a meticulous investigator digs and digs into the past to finally find the truth. And the result turns out to be completely unexpected.