My first Sakura/Kakashi story so please be nice.

Sakura has a hidden bloodline limit that no one knows about. One that can only be activated the moment her heart stops, forcing her soul to trade places with another person of her blood line. The only problem... She could be trapped in the past or future as someone else. And with a stranger inhabiting her body, how will things change for her friends and village without her to help them?

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It was supposed to be a simple mission, Kakashi thought as he stared down blankly at his blood covered hands. Still sticky and wet from the wound that he had been so desperately trying to staunch the flow from even as he and the rest of team Kakashi had hauled ass from point A to point B- the village hospital before Sakura could finish bleeding out in his arms.

Even now, here in the waiting room outside the ER with the rest of the team, he could still hear Tsunade's shouts as she had taken in their sudden appearance before realizing that the slender almost child like body tightly clasped in Kakashi's arms was covered in blood from head to toe from the multiple lacerations that had resulted in her current state. All of which ranged from small and insignificant to large and gaping wounds.

Fatal. His mind reminded him almost numbly. Several of the wounds were fatal. He wasn't even sure if Lady Tsunade with all her extensive medical knowledge could save Sakura's life this time. Not when her throat had been partially slit open and there had been a large gaping hole in her chest that reminded him of the only one other time he'd ever seen such a wound.

And that had been when Naruto had fought to bring Sauske back after he had defected.

Don't forget the ruptured organs in her abdomen- Kakashi hunched over a little bit in his seat, for once not even bothering to try and keep his composure and squeezed his lone blue eye shut as hard as he could. Wishing with all his might that he wasn't actually here. That this wasn't happening, it was all just a bad dream. And any minute now he would wake up in a cold sweat and realize this and Sakura would be-

He heard the ER door open and Tsunade shout loud enough to shatter any illusions he was so desperate to hold onto, "I need a crash cart now! She's coding!" Without realizing what he was doing Kakashi was on his feet and started in the direction of Tsunade's voice. His mind going totally blank as he tried to reach Sakura only to be grabbed by several people and held back while several people pushed a crash cart into the ER and the door swung closed.

Barring him entrance as he let out a loud sounding howl of grief...

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2014-

Sakura De'Winter had been walking on the crowded streets of Boston on her way to the doctors for a checkup because she'd been hearing things again and having blackouts when she heard a small voice say right next to her ear- Help me! A prickle of unease shot down her spine as she reached up to scratch at her ear as she looked around at the sea of faces around her. Trying to see who was the joker buzzing around her ear like a damned fly.

And huffed a little when she realized that there was no one close enough to her to speak in her ear in such a way. Dammit, She thought in annoyance as she stuffed her hand back in her jacket pocket and resumed walking again. I'll have to have my meds increased again if this keeps up. She thought when she heard the voice again, this time stronger, as if it were becoming closer.

Help Me!

Shaking her head Sakura tried to ignore it, but after hearing it getting louder and louder after a few minutes she was starting to get scared. Please, please, please don't let this be another ghost or something seeking- Her thoughts were cut off as she rounded the next street corner and stopped cold as she came face to face with a transparent young girl about her age with mid back length strawberry blond hair and wide green eyes, wearing a strange looking outfit and black headband of some kind.

Please help me! The girl said in desperation, her eyes swimming with tears. She looked so freaked. Did she not even know that she was dead? Sakura wondered as she sighed. God what a pain. But I guess I can't be a bitch all the time and ignore something like this, She thought as she tentatively reached out a hand to the girl and tried her best to give her a friendly smile as she said, "Here. Take my hand."

The girl looked at her for a moment as if she were dumbfounded then smiled. Thank you! She said as she started to reach for her hand.

"Don't thank me yet kid. Let's just take care of you then-" A strange feeling settled in her stomach, almost like her brother had dropped one of his prized dumb bells on her there like he had a month ago as the girl wrapped her fingers around her own and too late, she realized, that this wasn't an ordinary spirit that needed help crossing over.

This- This girl... She was still alive! And it was at that precise moment that the world under her seemed to open up and she felt herself suddenly falling as the girl said very softly, I'm sorry...

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In the ER-

Tsunade stepped back from her young pupil and wiped the sweat from her brow with the back of her arm. She had no time to bother with the nurses, or to try and look elegant. Not now. Sakura's heartbeat was back, but her pulse was thready and weak. Far weaker than it should have been.

They had managed to heal the major wounds to an extent (the neck wound and shoulder wound that had nearly turned one of her lungs into scrambled eggs) but they still had yet to truly stabilize her due to the wounds in her abdomen. Those would have to be fixed by surgery. "Alright, Shizune, Akito, Hanna all of you will be assisting me in surgery. We haven't any time to lose. The rest of you will make sure that Sakura doesn't flat line again while we scrub up after we have returned you may leave."

"Hai!" They all replied as they moved to do as she bid them. Failure wasn't an option after all. Not when their patient was Haruno Sakura, the Lady Tsunade's own beloved pupil.