The question of how the Animagus transformation interacts with Lycanthropy is answered. In addition, we see the result of Harry’s (perhaps desperate) attempts to not think about Draco. And finally, Harry regains a bit o’ family.

Voldemort has captured Harry and for his own twisted reasons has chosen not to kill him outright. Revenge in the Dark Lord's mind requires a fate worse than death and Harry is about to find out what that is.