The Family Business

In the small town of Huron, South Dakota a black 69 Ford Fairlane pulls into the driveway of a little two story house. A couple emerges from the car, the woman carrying a bundle in her arms. "Mommy! Daddy!" A little girl with golden brown pigtails screams. She runs off the porch into the arms of the man.
"Hey sweetheart! Ready to meet baby Alice?" The man asks grabbing his daughter's hand and leading her inside. The woman places the bundle down into a light pink crib. "Sky, meet your baby sister Alice." The woman says with a smile, lifting the young girl so she can see the baby.
"Hi baby sis!" The girl chirps excitedly.

"Did she give you any problems?" The man asks the young babysitter in front of him. "None at all Mr. Singer. She was an angel for the whole week." The babysitter says grabbing her purse. "Thank you again Kathleen. I know it was last minute." The man says walking her to the door.
"Oh I almost forgot! I got little Alice a present." The babysitter exclaims. "Kathleen you didn't have too. Cali darling, can you bring the girls in here for a moment? Kathleen has a present." Footsteps can be heard from the hallway and Cali walks in with her daughters,
"So Kathleen what do you... No!" The man shouts, seeing the babysitter's eyes turn black. "Oh yes Chase Singer. I have come for you." "Please Carreau your problem is with me. Just please leave my family out of this." The man begs. "Chase you know I can't do that." The demon says evilly.

To be continued in the prologue....

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(Caution Possible Spoiler! Do not read if you have not watched season 9 and 10)
The main story will take place after season ten, though @Bearisnotonfire25 and I have decided that Dean will have never got the Mark of Cain and the darkness was never let loose. Everything else is the same.