While the other animals were cynical about the reason the Student's crying, the nightingale decided to help the Student. She went to three rose trees but none had a red rose except the last one. However, the red rose tree could not produce rose because of winter. There was only method to have a red rose but it cost the Nightingale's life as it said “'You must build it out of music by moonlight, and stain it with your own heart's-blood”