First in the Promise series. AU from the end of PoA. When McGonagall finds out what Dumbledore condemned Harry to by leaving him with the Dursleys all those years ago, she is determined to do something.

Professor McGonagall has watched the Dursleys all day and can see what sort of people they are. When Dumbledore leaves Harry Potter on their doorstep and disappears, she takes him away. HHr