Every year, Sarah Bailey marks the coming of the solstice with a pageant of song and drama for the people in Harvard University. On the eve of this year’s Revels, ta singer is struck down in the street by an SUV driven by Sarah’s husband. The police dismiss it as a freak accident, but Mary Kelly, who witnessed the singer’s death, is not so sure. Soon, Mary Kelly's husband begins to piece more murders together and finds out that Mary might be right…