1) A young man pleads with his maiden fair to prove his love is true by doing anything she asks. 2) She asks him to bring her his mother's heart to prove his devotion. 3) The young man goes to his mother and takes her heart, but as he returns to his maiden he slips and falls, groaning in pain while still clutching his mother's heart. 4) He hears a voice comforting him, which comes from his mother's heart, realizing the error of his actions.