While researching her latest novel, Jessica almost becomes a casualty in the bombing of a jewelry store. It later turns out that the store's owner has been murdered and the priceless Queen of Tara tiara has been stolen. Forming an uneasy alliance with a pair of wisecracking "Cagney and Lacey" style female cops, Jessica follows the trail of clues to the home of a famously reclusive actress named Siobhan O'Dea.