About the book: 1940 / Fritz Brenner, Wolf's cook, fell ill with the flu. Wolf and Goodwin are forced to eat canned food. After tasting the pate, generously seasoned with quinine, Wolf becomes furious. He begins his own investigation in order to severely punish the scoundrel who dared to do this. Before Wulf could get down to business, the niece of the owner of the enterprise where the ill-fated pate is produced came to him and asked him to find an attacker seeking to ruin her uncle by adding bitter quinine to the delicacy..