The ghosts (and Mike) are shocked by Alison's colossal telling off - the biggest they have ever had (and that's saying something). They all agree they must come up with a creative way to get back into Alison's good books and show her how truly sorry they are. Mary, however, believing she has done nothing wrong, refuses to take any responsibility - not after the fiery fate that befell her the last time she took the blame for something she didn't do.