I'm really enjoying the book, although I agree that it does seem to jump around a lot.
Ty is having a really hard time with coming to terms with Quinn's death and Jamie is going to have a lot of material to work with on screen here.
It really seems to have shaken him and his belief that he is somehow invincible as a surgeon. I loved the part with Monique and her Gran and how he was so nice to the old lady.
I'm guessing here but the introduction of Doctor Martin maybe could be to illustrate that it's not just the really good surgeons who get hauled up in front of everyone in M&M.