With their decision to head out to dinner at the end of “Buried Secrets,” with no signs that they were looking to rekindle their relationship or be anything other than good friends, the stage is set for P.D. to go in pretty much any direction with them in Season 8.
Burgess and Ruzek haven’t been on the same page through pretty much all of Season 7, aside from the brief happy period when they were united in their joy at becoming parents.