Mackenzie rose Karev is a 14 year old girl being raised by her dad after her mom died. Alex is really over protective and Kenzie didn't like that sometimes but for the most part they had a amazing relationship When Alex tells her he met a new girl, Jo and he wanted Mackenzie to meet her how will she react? I HAVE NOT FINISHED THIS STORY AND MOST LIKELY WILL NOT SO IF YOU DONT WANT TO BE LEFT ON A CLIFF HANGER DONT READ!!