I'd heard about this story before, and honestly, I was expecting to like it a lot less than I do.

I mean, the story itself, I'm not really a fan, but the idea behind it is really fun. Mickey calling The Doctor for help, and ending up with Nine instead of Ten is a great pitch. Even better factoring in his knowledge of time travel stuff so he knows Jack and Rose can't see him. Even even better when you've got Martha there as well, who needs to hide from even The Doctor to not cause a paradox....

But then you have the actual execution. The story itself never really explains why the energy gives people powers and then turns them into monsters, other than that San Francisco 'has a history' which, I think I'd prefer if it just didn't explain it at all. The amount of characters who have powers here as well just feels unneeded, could easily have cut it down, streamlining it to just two characters instead of the four you have in here, it takes away a bit from the intended emotions when we don't really have time with these people.

And then there's... well, everything to do with Martha. Turning her into a gargoyle person who can't speak is certainly one way to deal with the potential paradoxes. It's also a way of making it so that Martha just gets sidelined with next to nothing to do for the whole story, and given that was a big part of what happened to her on screen..... not great.

Overall a fun idea for a story, with a... less than stellar execution