The song "Fallen Angel" by Uriah Heep tells the story of a person reminiscing about a past relationship. They constantly see reminders of their ex-lover in everyone they meet and keep hoping to see them again. The lyrics mention a painful parting and the ex-lover's request to not be forgotten. However, it seems that the ex-lover's life took a downward spiral, as they were previously successful but are now being overlooked by others. The narrator expresses their longing for the ex-lover and their desire to love them in any way they can. The title "Fallen Angel" refers to the ex-lover's decline from grace and the lost connection between them. The narrator wishes to understand how it felt for the ex-lover to be in their own world of pain and pleasure, which they had chosen. They view themselves as the true treasure for the fallen angel and express the need for an explanation from them. Overall, the song portrays a yearning for the past love and the pain of living without them.