Diana Sefton is an excellent gymnast at Linwood School despite being completely blind. When she regains her sight after an accident, she keeps it a secret because she cannot bear to part with Goldie, her guide dog. But her conscience keeps niggling.
- Writer: Marion Turner (under pen-name: Fiona Turner)
- Diana’s Dark Secret – Mandy: #786 (6 February 1982) – #798 (1 May 1982)