 Richardetto is also desperate for revenge against Soranzo, and convinces Grimaldi that to win Annabella, he should stab Soranzo with a poisoned sword.Unfortunately, Bergetto and Philotis, now betrothed, are planning to marry secretly in the place Richardetto orders Grimaldi to wait.Grimaldi mistakenly stabs and kills Bergetto instead, leaving Philotis, Poggio, and Donado distraught.