She tells him of the scene with Tonio and warns him, but he laughs at her fears.

Then he pleads with her.

She does not love her husband; she is weary of the wandering life which she is forced to lead; if her love is true let her fly with him to happiness.No.

'Tis folly, madness; her heart is his, but he must not tempt her to its destruction.

Tonio slinks in and plays eavesdropper.