The Clock strikes Twelve

Part 3 of the Alice and Eleventh Doctor trilogy
The clock strikes 12.
Day one.
Day two.
Day three.
Day four.
Day five.
Day six.
Day seven.
Day eight.
Day nine.
Day ten.
Day eleven.
Day twelve.
Alice and the Doctor have twelve days left with each other before he regenerates.
What will they get up to?
Who will he turn into?