Well, when I heard the new dad was a police magistrate, I was scared. Said I to myself, “If I don’t mind my Ps and Qs, the Guv’nor – from force of habit – will fine me all my pocket-money.”

The imminent arrival of Cis’ godfather sends Agatha incognito to the Hô-tel des Princes to warn him of her deception. But it’s also where her son has cajoled his otherwise staid stepfather into joining him for a binge. High-spirited carousing leads to a police raid and a night of outrageous mishap as the trapped guests make desperate attempts to conceal themselves from the law and from each other. Indignities escalate at court the next day where Posket, the police magistrate, must preside.