The cab driver thought that he was taking home a gentleman who had been playing for a while, but he delivered his corpse. Most likely, the drunken man was poisoned with sleeping pills by an acquaintance who left the gig halfway. Melbourne is savoring the details of the sensation: nothing like this has been heard here for a long time. In the dock is a young representative of high society, who, together with the murdered man, was vying for the hand of a rich heiress. It would seem that the outcome is clear; the investigator, having presented ironclad evidence, is rubbing his hands in anticipation of a death sentence. But a second detective is brought into the case, accustomed to putting a spoke in his colleague’s wheels. His version is rapidly acquiring equally undeniable evidence...