There comes another day of agony.

She knows that her father lives.

Who is he, where is he?
Alas, I cannot tell you.

Through the scenes of this painful history he flits here and there a lunatic! If he, seeks his daughter, it is the purposeless search of a lunatic, as one who wanders bereft of reason, crying where is my child?
Laura seeks her father.

In vain just as she is about to find him, again and again-he disappears, he is gone, he vanishes.
"But this is only the prologue to the tragedy.