Now, this story is basically having Dean as a girl. Sam will have an older sister instead of an older brother – I've always figured that older sisters are more protective and everything. I mean, I am … that's probably why I have that conclusion.

I know, I know. This is yet another new story – I just couldn't resist and I'm just too happy about accepting the college offer I got. It was even for the college I wanted! So happy! Anyway, here we are…

Summary: Katherine Winchester was the eldest; the father's daughter. When her father goes missing, there's only one person she'd want helping her to find him. Her little brother Sam. They've had their ups and downs; secrets are kept and told – but in this Family business, all they really had was each other and that's all they needed.

Supernatural Fanfic | The Family Business | Prologue

…22 Years Ago…

Mary Winchester strolled into a small room at the end of the hall, carrying a five year old girl with dark hair held in a small pony tail – Katherine Winchester. She shifted the younger girl on her hip, passing through the doorway with a soft smile on her lips. "Let's go and say goodnight to your little brother." Her hand moved over to the light switch on the wall, flicking it on. Lying in the small mahogany cot was a small baby boy with little tuffs of dark blonde hair. He was no older than a year old.

Mary lowered Katherine to her feet, the younger girl wearing a sleeping gown and a happy smile on her face. She always loved seeing her little brother before he went to sleep; not that she knew it then, but the feeling of protectiveness for this little being was already weaved into her veins. Katherine jumped out of her mother's arm, heading straight over to the side of the cot and leant over. Little Sam gurgled happily, his small eyes lighting up at the sight of his mother and older sister in his room again.

"Goodnight Sammy!" Katherine said, plopping a small kiss on the baby's forehead like her mother and father did to her every night.

Mary bent down beside her daughter, copying the motion – rubbing a soft stroke against her son's head as he fussed. "Goodnight, hun."

Suddenly, behind them John Winchester walked into the room. "Hey, Kathy." He grinned, announcing his presence to his two best girls and son.

Katherine's eye lit up immediately, hearing her father's voice. She spun round on her feet, her small nightdress flowing at the motion. "Daddy!" She exclaimed, running into her father's arms – flinging them around his neck as he picked her up.

John chuckled, glancing between his son and daughter. "What do you think, Kathy?" He questioned, "Think Sam's able to kick around that football yet?"

Katherine shook her head, like the idea was silly, "Of course not daddy," She always seemed a lot smarter than her age – John knew it came from her mother. "He's too small still."

Mary smiled at the two, she reached out to touch her daughters back while slowly leaving the room, "Do you have her?" She asked, feeling the tiredness of the day creep up on her. John always seemed to have the more energy these days.

John gave her a small nod and a comforting look that said 'Have a good night sleep', "I have her." He assured her. Mary left the room, and before the two followed John gave one last look to Sam, "Sweet dreams Sam." He felt Katherine slowly snuggle into his neck, her breathing beginning to shallow. He could tell she was slipping into bedtime before she even reached her bed.

John flicked the lights off and left the room, putting his oldest daughter to bed before joining the TV downstairs to work off some of this pent-up energy.

…

Several hours later, near midnight – an awakening baby gurgle woke up Mary up from her slumber. She groaned tiredly, "John." She murmured, feeling her brain start to awaken again. Maybe John could check on Sammy for her tonight?

She turned over on her side, looking over to her husband's part of the bed – only to find him missing. She frowned, 'where is he?' she idly wondered before slowing getting out of bed, knowing she would have to go now. John must be downstairs watching the television still.

Padding down the hallway, she came up to her son's room. She looked inside to find a dark figure in the room – 'it must be John' she thought. "Hun, is he hungry?" She wiped her fingers over her eyes, figuring it was John. He must have been coming to bed just as Sam started to awaken.

The figure turned to her slightly, "Shh." He sounded over his shoulder, trying to get her to be quiet like a sound would wake the baby up again.

"Alright." She nodded, realising her husband was able to handle their little boy tonight. A thirst for water crept up in her throat, her mind making the conscious decision to go downstairs to get a drink. As she approached the top of the stairs, the lightbulb from one of the lights began to flicker. A frown morphed suspiciously on her lips. Slowly moving over to it, she tapped her nails against the glass plating – the light was old, it wouldn't surprise her if it had come off a little loosely. The night stopped flickering, making Mary's shoulders slump in – relief?

Little sounds began to echo from downstairs … Mary's eyebrows crinkled in confusion. John would have turned off the television set before he came upstairs, why was it still on?

Her eyes widened in horror as she reached half-way down the set of stairs, able to see the complete living room from that view. She saw her husband lying on the sofa, the television still playing in front of him. If John was still downstairs - who was that in her son's room?

Not even a second later, she rushed upstairs again – running full speed towards her little boy's room.

Five seconds after she entered Sam's room – Mary's scream filled every room in the house … awakening John and her daughter.

…

Katherine had jolted from her sleep, hearing her mother's scream. She slowly walked out of her bedroom in a sleepy toddle, she noticed a bright flickering light coming from inside her little brother's room. A gust of heat rushed over her body and her father was yelling something … was he yelling for mom?

Her father rushed out of the bedroom, carrying Sam in his arms with the blue blanket around him slowly falling off to show his skin. "Daddy?" As soon as he heard her, he rushed over and quickly placed the baby in her arms. Her eyes flickered over to the doorway of her brother's room every couple of seconds in fear – something had happened, something her young mind couldn't fully comprehend at this moment in time.

John bent down to her height, his knees hitting the ground. Flames were starting to crawl out of the doorway making Katherine's little eyes widen at the sight. "Take your brother outside as fast as you can … and don't look back." He told her.

"But…" She started to protest, instinctively wrapping her arms more securely around her brother with protectiveness. She didn't want to leave her dad alone … and where was mom?

"Now Kathy, go!" He repeated, a little more forcefully this time. He didn't want his children in the house, he had a gut feeling their home was going to the ground.

Katherine's stature shook a little at the raised voice, her father had never raised his voice to her like this. "O-Okay." She stuttered, backing up a couple of steps before twisting around towards the stairs – making a run for it but making sure Sam wasn't being jiggled too much. 'He was the first priority' she embedded this into her mind.

John rushed back inside the bedroom the moment his son and daughter were out of sight; Mary combusted into more heated flames – her entire body eaten up by the furious amounts of it. "Mary!" He screamed in hopelessness, the tears of what was happening rolled down the side of his cheeks. All he could do was run from the blaze in an effort to stay alive for his kids; the vision scarred into his head for the rest of his life. He knew from that moment; nothing was ever going to be the same again.