Possible Clues:

• Moral tale about Ecstasy is wholly distasteful
• A lot of blood evident in passage in symbolic narrative
• Story from Fitzgerald turned nasty
• Fable perhaps in English, quite bloodthirsty all round
• Improving story with short passage involving bloodshed
• Fitzgerald's come up with grisly tale
• Short passage added to bloody meaningful tale
• Symbolic tale making you really upset about travel
• Really go crazy as a metaphor
• Go really concerned, as it explains what's in Plato's burning cave, for example