It's summer and the annual tennis tournament between Cavendish and Charnley is underway; but a sudden spate of jewel thefts prompts James to put his sleuthing hat on. His investigation suggests that the criminals are using an ancient smuggling network. Can he convince his good friend, DCI George Lane, of his suspicions? Are these thefts part of an international operation? Has the smuggling network reopened? Who are the wealthy couple staying at Harrington's?...