Posing as amateur musicians, Professor Marcus and his gang rent rooms in the lopsided house of sweet but strict Mrs Wilberforce.
The villains plot to involve her, unwittingly, in their brilliantly conceived heist job.
The police are left stumped but Mrs Wilberforce becomes wise to their ruse and Marcus concludes that there is only one way to keep the old lady quiet ………
Constable Macdonald – ANDY FOX : Mrs Louisa Wilberforce – ANN HUMBLE
Professor Marcus – STUART LANDRETH : Major Courtney – MIKE WOOD
Harry Robinson – DAVID MURRAY : One-Round – PHILIP KENYON
Louis Harvey – DAVID LYNCH : Mrs Jane TROMLEYTON – JEN DODSWORTH / JAN NICHOLSON
Mrs Wilberforce guests : Members of the group
Set Design and Construction – David Grimshaw (Assisted by Linda Cuthbert, Ben Thompson, Alex Farr, Margaret Farr and Ray Paris)
Lighting and Sound – Mark Brookes