 However, at this time, Claudius is praying, and Hamlet does not seek to send him to heaven, so, he waits, and bides his time.He instead confronts Gertrude about the matter of his father's death and Claudius' treachery.During this confrontation, he hears a voice from the "arras", and, believing that it was Claudius eavesdropping, plunges his dagger into the curtains.