Battle of Time

When the Doctor, Amy, and Rory take an accidental detour to modern-day New York City, none of them were quite sure why. The TARDIS, like always, took them where they needed to go. But why there? Why then?

Agent Gwenn McKee was a regular SHIELD agent, fitting in like a regular person with her blonde curls and intuitive eyes, her London accent the only thing that set her apart. She had been working there for a year or two now and had gotten to know people around there very well. But there was a gap in her memory, which was only filled when a strange blue box showed up on their helicarrier. But why was it so familiar?