Mystery bookstore owner Annie Laurance didn`t really want to go to her neighbor`s Valentine Day masked ball--particularly not after the voluptuous brunette made a pass at Annie`s husband, Max. So when her dizzy mother-in-law, Laurel, made a surprise visit to Broward`s Rock Island, Annie thought it would be a perfect excuse to skip the party. True to form, Laurel accepted the invitation for all three of them. But the biggest surprise of all came at the the party`s end, when Annie found the amorous hostess in the gazebo murdered.