At the end of Wednesday's episode Tyrone was running away with baby Ruby, getting on a train, then on Friday's episode he was back in the house, looks like a missing episode have I missed something.
Fiz went to her solicitor who told her that if tyrone marries Kirsty, he will have rights to Ruby. Fiz and Tommy persuaded him to come back, so the whole wedding and Fiz fancying Tyrone is a plot x
I did post a thread on Wednesday on Media & TV about it being an hour long episode that night. It may be that you only saw the first 30 mins? Watch out because there is an hour long episode on Sunday starting at 7.00 P.M