The Immenhof has been closed by officials, awaiting auction. In the meantime, Angela has died, so Jochen is now a widower. Oma Jantzen and Angela's younger sisters Dick and Dalli live with him in the forester's house. In order to save the manor house, Dalli has started a "pony circus" with the village children in the barn, while Dick has given up hope of Ethelbert ever returning.
A maniac is loose in London, decapitating his victims and sending the heads to Scotland Yard.
Willi Winzig is a small tax officer with a big heart. He sometimes lets the tax files of his insolvent fellow citizens disappear into the air shaft. But shortly before his retirement, the shaft is so full that Willi has to dispose of the file of a penniless taxpayer in the wastepaper basket. The scam is promptly discovered and Willi is threatened with a hefty fine - even dishonorable dismissal from the civil service. Fortunately, friend and colleague Felix Klein knows what to do.
