Setting: Venice
The Apothecary's shop
Sempronio, the Apothecary, is guardian to his beautiful, rich
ward, Grilletta. Like many another in his situation, he is keen to
marry her in order to secure her fortune. He has two rivals: One is
Mengone, who is in love with her, and despite a quite startling lack
of medical knowledge, has become the Apothecary's apprentice to be
near her.