How very sad. In another band of Parallel Time beyond the ones we were ever vouchsafed to see, I like to think of Vicki falling in love with and marrying Frank, who helps her discover the truth about her past--that she is really Elizabeth's daughter by a brief, passionate love affair with Betty Hanscombe's mysterious, ne'er-do-well brother...
Besides his work on DS, Conrad Fowkes, by all accounts, was a remarkable human being. May he rest in peace.
G.