Nick is astonished to discover that the shooter of a young protester at the opening of the duck season is none other than his sometime admirer, Dr Zoe Hamilton. She, of course, claims it was an accident, explaining that the chief protester grabbed her gun just as she was aiming at a duck. Adam gets an admirer of his own when he assists the pretty eighteen year old daughter of one of the duck shooters after she is injured in the melee. This is Stacey Norse, whose father Ken accuses the chief protester, Matthew Prentice, of stealing one of his ducks. Troubles escalate when Ken Norse falls seriously ill while eating his specially prepared duck lunch at the Imperial Hotel. When Zoe suspects poisoning, the Heelers wonder if it might have been Matthew Prentice, but when blood tests show that Norse is actually suffering from a severe case of lead poisoning, they must rethink the case. Because this condition would have taken some 13 years to accumulate, his own children, Stacey and her sixteen