Author's Note: So, this is the first chapter of my Doctor Who Sanctuary crossover fic. I just thought that both the Doctor and Magnus are separated from the rest of the world due to what they do and seriously, he's nine hundred and something, she's a hundred and fifty something and has met just about everyone. How have they not met? So this is my version of their meetings over time. Please review.

An Old Allegiance

Chapter 1 –

The first time the Doctor saw Helen Magnus, she was standing in the rain, watching the celebrations that had followed the declaration that the Second World War had ended. She was standing on the semi-collapsed roof of a ruined building, separated from the partying British public, the wind gently ruffling her long hair and long coat. The Doctor himself was dressed as usual, draped with a strip of British themed bunting. He'd spotted her as he stumbled cheerily out of one of the pubs and he'd wondered what she was doing up there, all alone. So he did what he always does... went to investigate.

The building this woman was standing on was a death trap, the Doctor decided. This woman, he decided, was certifiably insane. And yet he was still climbing over rubble to find out who she was and what she was doing up there. When he reached the roof, after picking his way over a precarious looking bit of stone that looked like it had once been part of a fireplace, he didn't speak straight away. He just watched her, waiting for her to realise he was there.

But she already had. "It's terribly bold of you to think I want company."

The Doctor was momentarily wrong-footed. "I...uh... I didn't mean to... impose. I...uh..."

The woman turned and for the first time, the Doctor saw her face. She was smiling, bemused by his flustered response. "I suppose I was getting a little lonely."

The Doctor searched her eyes for something familiar. He felt like he knew her. As she stepped towards him, her face became clearer and her features became more defined. And the Doctor noticed the gash down her left cheek and the scars on her neck that were fading. He automatically took a step forward, his hand held out almost like he was going to touch her and then he stopped. The woman did not look at all surprised but continued to watch him carefully.

"What happened to your face?" he asked softly.

The woman tilted her head. "Nasty encounter with an old friend."

"Friends don't do that to each other." The Doctor pointed out.

"That's a very naive view you've got there. I suppose you are young after all."

"You'd be surprised." The Doctor muttered but the woman had heard him.

Her lips twitched. "I doubt it. Try me."

The Doctor laughed and took another step towards her. "I'm over nine hundred years old." He wasn't quite sure why he was telling her all of this. He supposed it was the familiarity he felt.

The woman smiled and raised an eyebrow. "Well then, you're looking remarkably good for someone you're age."

The Doctor frowned. "I just told you I'm nine hundred and that's it?"

"Perhaps you're not as extraordinary as you think you are."

The Doctor snorted. "Who are you?"

The woman cocked her head, as if thinking. "I'm someone... of little consequence."

"In nine hundred years, I've never met anyone of little consequence." The Doctor smiled.

The woman smiled, almost serenely at him. She raised an eyebrow and stepped closer to him. "You've got a lot of secrets." She told him.

"Haven't we all?" The Doctor replied.

"And as much as I'd loved to talk more to you, I have a job to do. Perhaps, we'll meet again."

"Perhaps we won't." He countered.

"Nonetheless, it has been a pleasure." The woman smiled, passed the Doctor and began to clamber down to ground level, much more elegantly than the Doctor had.

"The pleasure was all mine." The Doctor grinned as he watched her go, her coat swirling around her ankles. Despite his words, he had an odd feeling that he'd see this woman again. He didn't know how long he would have to wait but he was sure that they would meet again.