Watch StreamingCommunity. With the help of her daughter and a mute servant, phony psychic Madame Flora uses her clients' grief to deceive them. But one night, an uncanny encounter leads to murder and madness. Croatian National Theatre Zagreb’s production of The Medium offers enough suspense to rival any thriller in just one hour. Gian Carlo Menotti's musically eclectic English-language opera mixes Italian verismo with musical-like American modernity, as one might expect from a thoroughly American-Italian composer and man of theatre.