Disclaimer: I do not own Teenage Mutant Ninja Turtles. They belong to Kevin Eastman and Peter Laird.

Notes: This story is vaguely based on the 2003 cartoon series. However in this story Shredder is not an utrom, he is a human.

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Prologue

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1 month earlier

Oroku Saki peered at the old woman holding the artifact. He had traveled many miles in search of her. After his last defeat against the turtles he swore vengeance, and he knew exactly how he was going to get it. He was going to hit them where it hurt the most. He was going for their hearts.

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Present day

"You wanted to see me father?" Karai asked as she entered the room, bowing to Saki.

"Yes Karai, I have a special mission for you. Chaplin has engineered this tracking device" Saki explained opening his palm revealing a tiny green object no larger then a pencil eraser. "I need you to plant this on one of the turtles the next time you come in contact with them. This mission is very important Karai, and I am entrusting it with you."

"I will not fail you father" Karai responded taking the device from Saki. A brief flash of uncertainty crossed her features "May I ask what you are planning?"

"You will learn in time" Saki responded. He had no intentions of revealing his plans to his daughter yet. He knew that she was loyal, but every time they had battled the turtles he could see it in her eyes and in her actions, she actually cared about what happened to those freaks, especially that Leonardo. Had she not been his daughter he probably would have killed her long ago, but he knew in time he would help her see the light.

Saki watched as Karai turned and left the room. She would not fail him. Her honour demanded it. Saki knew that once his daughter had succeeded, the plans would be set into motion. He would have his vengeance.

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Hey readers! I know this part is short, but I have big plans for this story! I hope it turns out as good as I have planned in my head. For those who have been reading my other projects, I haven't abandoned them, but this story idea just hit me this morning and I had to get it started.