Just finished this (or rather, got up to date with it) and rather enjoyed it. I won't say much because I'm new to the thread and most of it is probably already covered, but one thing I did wonder about was Chris - the call Rachel had with her husband while MC was helping her in the garden made me think that her husband is actually Chris. Her husband is away for weeks or months at a time, is always secretive, has been in an accident. Chris himself is also a bit secretive with Amanda about where he works.
Chris seems a bit shady, having a clandestine meeting in the cinema, but is it possible that he's actually got a secret second family? I went back to check the timing of Rachel's arrival at the house fire, and it's unclear but it's possible that she might have been able to avoid seeing Chris there. There were two ambulances (Amanda says Chris is being taken to hospital in one and the other ambulance will take her and Julie after Julie has been checked over), so it's possible that Rachel was in the second one and Chris was already being seen by the first by the time she arrived.
And yeah, offering to sleep by the door for Kayla's protection was a nice touch. I'm all for reconciliation between the two of them.