I think we’re being kept in the dark as long as possible. When Carly arrived at Maggie’s and muttered something about the confrontation at the cafe it could have referred to either Mia or Melanie. Funny how Mia seemed to hit it off with Carly right away at the pier, but after that, she’s given Carly the cold shoulder. And Mel reacted exactly in her usual overt kneejerk manner.