In the dead of night, a few hours after Mozart's death, the usual suspects are summoned to Mozart's room by Count Pergen, head of the secret police, who considered Mozart a potential revolutionary. Over the corpse, he interrogates them, trying to discover the true cause and significance of Mozart's demise.

A dying woman, who stole her best friend's lover, is convinced that a spell has been cast on her, so she orchestrates her former friend's return from a self-imposed exile in Africa in the hopes of breaking the spell.