Nicolaes follows Gilda out of the church and it soon becomes apparent that she has overheard everything. She begs her brother to reconsider his part in the plot, but he refuses and instead asks her to swear that she will not tell their father.
Nicolaes trails behind Gilda as she leaves the church, and it is soon apparent that she has gathered all the information. She begs her brother to rethink his decision to participate in the plot, but he insists on keeping quiet and asks her instead to swear an oath of secrecy regarding their father.