Disclaimer: I don't own them. Nope, not mine.

Summary: Sara has a son and her son gets a girl pregnant. She begins to wonder if thereis there such a thing as mutant sperm. Sara theorizes this after meeting Grissom's mother. She shares her memory of how Grissom was conceived after learning that she is not only a grandmother, but also a great-grandmother-to-be. Many, many, twists in this story. I hope you like it.

A/N: There are quite a few time leaps here in the beginning.

Generations(8-28-07)

(1992)

Two bodies tumbled through the apartment door; intertwined in passion.

"Sara, are you sure?" He asked when one of their heated kisses broke and she attacked his neck.

"God, yes. I don't care that you're leaving and I may never see you again. I can't stand the tension anymore. I need you." She breathed out and attacked his mouth again. The two of them had given into their passion even though they both knew he would be gone in the morning. Neither had felt such a strong need to connect with another body and after a month of intense, suggestive flirting, they were both slaves to the attraction.

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(1993)

"Push Sara." The doctor commanded. A small cry soon overpowered Sara's rapid panting. She collapsed, happy and sweaty on the bed.

"It's a boy. What's his name?" The doctor asked as he held up the baby for Sara to see.

"Jason Gilbert Sidle." She answered happily.

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(2000)

Sara walked up the sidewalk like a salmon going up stream. She finally saw the person she had been looking for. With a big smile, she bent down to hug him.

"Hey baby! How was school?"

"It was good mommy." Before the youngster could tell her more, her phone rang.

"Sidle." She led Jason to the car.

"Hi."

"Grissom?" She asked even though she would know his voice anywhere. They usually corresponded through email. A phone call told her something was wrong.

"I need your help. Can you come to Vegas?"

"What's up?" She asked and opened the door for Jason to climb in the backseat.

"One of my CSI's was shot. I need an investigation done. I need someone I can trust. Can you come?" He asked her.

"I'll see what I can do. How long should I plan to be there?"

"A week or so."

"I'll call you back after I make some arrangements." She said.

"I'll be waiting." He said and abruptly hung up. She looked at her son, wondering what to do.

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(One week later, Holly's killer has been arrested Grissom and Sara are out for breakfast)

"Can you stay? I have a job opening and it's yours if you want it."

"I have to talk to a few people and it would take a lot of work." She answered carefully.

"Your boss knows that I am proposing this to you." He told her.

"It's not Fred that I am worried about." She said.

"What then? Boyfriend?" He forced himself to squash the jealous feeling that arose when he asked this.

"No, I haven't had time…since you." She told the table and her eyes flickered to him.

"I don't regret it." He said.

"You won't rekindle it either, will you?"

"I would be your boss. It's unethical." He couldn't look at her. They both knew it was a cop out. Her phone started to ring during her response.

"I don't regret it either. Excuse me….Sidle."

"Hi Mommy!" He saw a genuine smile bloom on her face. He hadn't seen it in almost eight years. He just realized how much he missed it.

"Hi! How are you?"

"Good. When are you coming home?"

"Soon. What did you do today?"

"I played with Josh, but he was mean."

"How?"

"He told me I was bad because I don't have a daddy." Grissom watched a tear escape her eye.

"You have a daddy, Honey."

"Where is he?" Her inquisitive son asked.

"Las Vegas."

"That's where you are! Are you bringing him home?"

"No, I'm not."

"Why?" These questions were getting hard for her to answer. She had to end this call.

"I can't sweetie. Are you at home?"

"Yes."

"I'll call you back later, ok?"

"Ok Mommy. I love you!"

"I love you too." Sara said quietly and hung up. She said it softly, but Grissom was still able to hear the sentiment. He gave her a minute to sit in silence. She swiped angrily at her face.

"Are you alright?" He asked her.

"No."

"Who was on the phone? Why did it upset you?" He asked.

"Jason."

"Ok, who's Jason?"

"My son." He looked as though she'd slapped him.

"Where's the father?"

"Why?" Her curiosity overrode the urge to tell the truth.

"I'm curious. How old is he?"

"Almost eight." She said, hoping he would put the pieces together.

Grissom mentally examined the evidence she had given him, but he came up with the wrong conclusion.

"Why didn't you tell me you were already pregnant?"

"It would have been a lie. I have to go. I'll call you about the job. Thanks for breakfast." She escaped before he could stop her. She needed to regroup and wanted to give him time to think. Two months later, Sara and Jason relocated to Las Vegas.

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(2009)

"Sara, you have a delivery."

"Thanks, Judy." Sara answered and went to log in evidence before going back to the front desk to see what she had. She saw the flowers and carried them to the break room.

"Nice flowers, Sara. New boyfriend?" Nick asked. Everyone was eating lunch when she arrived and set the flowers down. Catherine was ranting about Lindsey and stopped when she heard Nick's comment to Sara. Sara plucked the card and read it.

~For all the wonderful things

you've done for me over the

years.

Happy Mother's Day!

Love,

Jason~

Sara smiled and pocketed the note. Miraculously, no one knew that she had a son, save for Grissom; but he hadn't mentioned it since the day she told him. She went back into the break room to join her colleagues.

"So, who are they from?" Nick asked.

"Oh, I did a few favors for someone. This is his way of thanking me."

"What kind of favors?" Warrick joined in the conversation.

"Educational only. He's a sixteen year old." She said and clarified when she saw the gleam in Greg's eyes. Catherine's phone rang.

"Willows…Who asked you and when is the prom?...Alright, leave the details on the counter and we'll talk when I get home…love you too." Sara's phone rang. She saw who it was and left the room to answer it.

"Sidle."

"Hey mom, that girl I like said yes." Jason told her.

"Good. Thank you for the flowers, but you should save your money."

"You're welcome. I wanted to do it. Also, I need a new suit."

"What's her name?"

"Lindsey."

"Does she have a last name?" Sara asked.

"I don't remember it; it does start with a 'W'. We've been hanging out at lunch for a few weeks. She's nice, smart and pretty." Sara brushed aside the coincidence that Catherine's daughter's name was Lindsey too.

"Do I get to meet this nice, smart, pretty girl?"

"I don't know. Her mom's a lot stricter than you are."

"We'll talk later. I'll try not to work late. Get your homework done."

"I will. Night mom."

"Goodnight Jason." Sara smiled and briefly thought about how lucky she was to have a don like him. He was kind, respectful and responsible and he always had been. He is a blessing to a single mother.

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(Two months later 2009)

Sara and Jason were sitting at the kitchen table sharing the rare meal together. Jason was getting ready for school and Sara left work on time for once. She was flipping through some pictures Jason had given her from the prom.

"Jason, is this Lindsey Willows?"

"Yeah. How'd you know her last name?"

"I work with her mother. Be very careful with her." Sara warned.

"I am."

"How serious are you about her?"

"Serious enough."

"Are you having sex?" Sara asked bluntly.

"Not that it's any of your business, but no, we haven't."

"Good. Promise me that you will think long and hard before doing it and you will always use a condom. I mean every time, I don't care if she tells you not to or that there is no risk."

"I promise."

"I'm too young to be a grandmother. That and Catherine would kill me. Have you met her yet?" Sara was wondering. She didn't think that Jason had met her because she was sure she would have heard Catherine say something.

"No."

"Just be careful with her and always treat her with respect."

"I always do." Sara smiled.

"I know; you're a gentleman just like your father."

"Who is my father?" Jason asked that question for what must've been the millionth time in his life.

"Someone I work with. You have his eyes." Sara had gotten lost in a memory so Jason left her alone. The next night, she bought him a box of condoms in case he and Lindsey were further along in the relationship than she thought. She told herself she was being a forward thinker and would rather have him be prepared than to be a grandmother before she turned forty.

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A/N: So? Have i peaked your interests? Leave a reveiw and tell me what you think. Have a great day everyone! Kelly