Erik Carrière-Destler's opera, Don Juan Triumphant, is making its grand premiere in the summer of 1888! But things take a turn when valuable props go missing. Along with Christine and his friends, Erik goes behind the scenes to set things right. With just three weeks until opening night, he's forced to face the intense pressure of directing a play, the unfamiliar world beyond Palais Garnier... and his dark past. Will Erik be able to find the props before the curtain falls and his triumph is doomed forever?