Never let me go

A new adventure with the Doctor, but Maddie knows when he will die and have a hard time by it, even theirs friends knows when he dies. Lastly, he self knows when he will die and thinks of a plan to stop it, cause he didn't want to lose Maddie. And there is also the secret of River Song, they would finally know who is she to them all. And what she will to the Doctor! More inside.