Summary: Thanks to an ingenious plan of Dumbledore's, Severus Snape and Harry Potter swap bodies. They're doing this to fight Voldemort.
Dumbledore says it's the only way Harry can survive. But can Snape get over the trials and tribulations of being a teenager again, and can Harry battle unruly Potions students and greasy black hair?
In short - will either of them survive?
The latest chapter is shown from Snape's point of view.