 An eccentric spinster is accused of violating the National Secret s Act when a whistle blower gives information on trivial government overspending. When Rosemary Tuttle insists on pleading not guilty, and the Lord Chief Justice chooses to act as judge, Rumpole realizes that there is more at stake than just the budget on biscuits. On a sidebar, Rumpole acts as beard in Erskine-Brown s romantic pursuit of Liz Probert.