It's a family affair

It could be a family affair in more ways than one, if I'm reading between the lines correctly. ITV today says that both of William Roache's sons, Linus and James, will be featured in an upcoming storyline on Coronation Street. In the fall, a "dark family secret" will be discovered. A letter is found during some building work (perhaps Ken is renovating that loft after all?) and it sends Ken on a quest to find out what it all means. Deirdre and Peter don't want the past dragged out of the loft, naturally. Now, my guess is this...We all know how many women Ken has had in the past. Is this going to be a long lost child plot? And if the letter was found in Number 1, why would Albert Tatlock have been the recipient (he owned the house then). I guess we'll find out!