Stunning theatricality, emotional fireworks, flashing wit and sublime music combine in the fiery cauldron that is Maria Callas, the sensational opera diva who hosts Master Class. Working brilliantly with a series of student “victims,” she slips into memories of an astonishing life, from the triumphs of La Scala to her doomed love for Ari Onassis, exposing her humor, humanity and mesmerizing genius.