A/N: let me just say, I suck. I realize this and I apologize. I wonder if there's group therapy for people who suck at updating stories? Hmm...

Tony looked at Ziva then back at McGee. "Yeah, we kind of surmised that McGee."

Ziva jabbed her elbow into her partner's side effectively silencing him. "What he means is that we never knew you had a son. Why is that?"

McGee pursed his lips; oh yes, this was going to be fun. He kneeled down and addressed Lucas. "Hey bud, why don't you go sit at daddy's desk while I talk to my friends?"

"Okay, daddy." Lucas strolled over to McGee's desk and sat down in the chair. He pulled open a few drawers before finally pulling out a pen and paper. Seconds later he was happily distracted writing his name and drawing various animals.

Tim nodded Tony and Ziva over to the window and waited for them to follow. When they were safely out of earshot of any eavesdroppers, McGee explained. "I met Isabelle at MIT, she was studying foreign policy at the school of government. We started dating our second year, found out she was pregnant a week before graduation. We were gonna get married, but…we both knew we were too young to start a family. We decided to end it, well actually she decided to end it. She moved to New York, I was in Norfolk. Eventually we both ended up in D.C."

Ziva nodded as she processed all this new information. She looked over her shoulder at the little boy sitting in the bullpen and smiled. He looked just like Tim hunched over the desk, a look of concentration etched on his face. Ziva supposed that his looks were a mixture of both parents, but there were some things that were uniquely McGee; his nose for one, as well as the pale green eyes. "How old is he?"

McGee smiled. "He'll be 6 next month."

"Do you get to see him a lot?"

Tim sighed. "Not as much as I would like to. It's not like we work banker's hours or anything, but I get him every other weekend when we don't have to work, and for three weeks in the summer. Isabelle's really good about letting me spend time with him."

All the while Tony listened and nodded along. He couldn't believe McGee had a son and had never told any of them about it. He thought he knew everything there was to know about his Probie. Although this was the same guy that had kept a best-selling novel a secret for nearly a year, so maybe he was better at concealment than Tony gave him credit for.

"And now she's getting married?" This question brought Tony out of his reverie. Who was getting married? What had he missed?

"Yeah. She's been with the guy for a year or two. They're getting married next weekend. I told her I'd take Lucas for the week so she can get some stuff done."

"Does anyone know about him?" Tony asked suddenly. He immediately regretted how harsh the question sounded. "Sorry. I just meant…well we didn't know, but surely someone does."

McGee shrugged his shoulders. "Abby knows."

"Abby?" All three agents' heads spun around to see Lucas standing beside the partition that separated Tony's desk from the walkway. "Is Abby here?" he asked.

McGee smiled. Lucas always had a soft spot for Abby, possibly because she spoiled him rotten on every occasion that she saw him. Or maybe it was just because she was Abby, and everyone loved Abby. "Yeah, Abby's here."

"Can we see her?" he asked excitedly.

"Sure, let's go down to the lab." McGee reached out and took his son's hand leading him through the bullpen to the back elevator. When the silver doors opened again, Abby's music was the first thing they heard. Lucas's hands came up to cover his ears causing Tim to laugh. "She likes it loud. Just don't touch anything, okay?" Lucas nodded emphatically and followed closely as he was led into the lab.

Abby was standing hunched over her microscope, alternating between adjusting the lenses and grumbling under her breath. Whatever sample she was looking at either refused to cooperate or what she was seeing wasn't what she wanted to see. McGee cleared his throat in order to announce their arrival, but Abby was so enthralled in her work she didn't hear him. He tried again with the same outcome.

After watching his father for a few seconds, Lucas dropped his hands and walked over to stand behind Abby, tugging gently on her lab coat. Immediately the Goth's head shot up, her pigtails swinging wildly as she searching for the source of the interruption. When her eyes fell on the little boy standing beside her, Abby's face lit up like a Christmas tree.

"Lucas!" she cried wrapping him in a famous Abby hug. "When did you get here?"

"Mommy bringed me. I'm spendin da week with daddy!"

Abby's smile broadened. "Well that sounds like fun!"

Lucas nodded and looked back at his father. "I'm hungry," he announced out of the blue.

Tim smiled at Abby, then back at Lucas. "What would you like?"

Lucas tapped his chin slowly while contemplating his decision. "Pizza!" he finally decided.

"Think Abby would like to come with us?"

"Yeah!"

Tim looked to Abby. "Well I guess it's decided then. Coming with us?"

Abby spun around and grabbed her purse off a nearby table. "I would love to!"

There's a little blue button, rectangle in shape, located just below here. You should press it and see what happens.