Tom Barnaby joins the Causton Chamber of Commerce tri to Brighton as he is sus icious of dodgy mayor Hicks' lan to buy coastal land on which to buy chalets. Also o osed to the lan is Lady Matilda William,who has had threatening letters, as have the local vicar, oily ro erty develo er Hugh Dalgleish and hotelier Jenny Russell. Lady Matilda is descended from Richard of Guill..