 The nosy Gostanzo happens to catch sight of the group of young people, and notes Valerio and Gratiana together.As the others retreat, the witty young Rynaldo persuades Gostanzo that Gratiana is actually the secret wife of his brother Fortunio.Rynaldo manipulatively presses Gostanzo to keep the secret; Gostanzo agrees...and instantly goes to Marc Antonio to inform him.