A Star-Spangled Mayfair

The impulsive fiance of Marcia's friend Jess Randall volunteers their farm for a Mayfair July 4th extravaganza. Introverted Jess is not happy. On the day of the bash, the fiance is found with a Roman candle through his chest. Jess is the prime suspect, and Marcia feels compelled to investigate... to make sure her friend isn't the next target.