Well, this is my first fanfiction here, I really love Mark and Lexie together and so I've decided to write this.

This story will be a little AU. It's set about two years after 7th season and, obviously, there wasn't any avian accident.

I'm not native English speaker, so if I make some mistakes, just tell me ( and I apologize for those, too.)

Please read and let me know what you think about it! :)

Hi dad, this is my boss

" Should I stay or should I go now?

If I go there will be trouble

An' if I stay it will be double

So you gotta let me know

Should I stay or should I go?"

Should I stay or should I go – The Clash

Lexie Grey was smart. She was intelligent and bright and amazing. She knew that.

Over her school and college years and then over her internship and her residency she had always worked hard in order to show her talent.

The last time the State of Washington was able to see her, she was twenty-seven and she was a complete mess.

Her boyfriend, Jackson Avery, had broken up with her because of the love of her life, Mark Sloan, who, on the other hand, was happily in relationship with another woman.

As a consequence she decided to leave Seattle.

She left her family, her job and her life in a typical Seattle rainy day, wearing her favourite dark purple coat and with a faint smile put on her face.

Inside, her heart was breaking but no-one really knew that. She had got on the plane hastily because she knew if she had waited a little more, maybe she wouldn't have been as strong as to leave.

However, when she had put on her seatbelt she started crying, her makeup was flaking all over her face and her body was shaken by sobs.

Maybe she was just a coward, but she was deeply aware she didn't have other choice.

She had to go away. She needed it.

Thus, she arrived to Boston, where she was going to end her surgical residency at the Mass. General.

Almost two years later she was come back to Seattle.

Lexie had passed with success her exams and now she was a certified surgeon and she was ready to start her fellowship.

She had to admit she wasn't really surprised by the huge number of hospitals – through the whole country- which wanted her. She was talented and they noticed her.

Tulane, Mount Sinai, Mass. General, Parkland, Hopkins.

But Lexie Grey wanted the best. And the best meant Seattle Grace.

It was a cloudy and foggy day and it was raining cats and dogs. The streets were overcrowded and the lives were grey and tedious.

He was calmly walking down the street, wearing his usual dark leather jacket. He smirked seeing how neurotic people were around him; luckily the hospital was near his place and so he easily could reach it by foot.

He had always preferred walking to work. Walking relaxed him and, in this way, he felt himself alive and different from all those people who were carrying on their frenetic and boring lives. It helped to brighten up his mind.

He arrived to Seattle Grace and, after he had worn his blue scrub, he stopped at the nurses' station. He lazily sipped his bone-dry cappuccino, checking his schedule.

The hospital was chaotic, they were just come back from their summer break and so there were many new interns and attendings.

In front of the O.R. board he met Jackson, Derek and Chief Webber who were vividly talking.

" Ehy, good morning! What's going on? The hospital is a complete mess. I hate the first day after summer break, there are all these unable and dozy interns. I hope there'll be someone good this time." He exclaimed.

" You're too pitiless. They aren't so bad." Derek answered back.

Then the Chief added: " However, as I was explaining to Dr. Avery, there'll be some new attendings too. They seem really talented."

" And it seems the plastics posse is going to have another member too." Derek said.

" Really? Who is he?" Mark asked with an astonished spirit.

" Truly, it's a she. However she is waiting for you in your office." Dr. Webber explained.

Mark frowned and he immediately made for his office.

He opened the door and he saw a thin and skinny silhouette in front of his desk.

She turned around and he barely blinked.

" Mark?"