After being gone for a year, Hailey returns to OKC. First place she goes is Midwest to see what has changed. Then, its race night where she runs into an old flame and her best friend.

Brittani Lankester-Ellington is the older Gypsy sister of Stephani Lankester. Her sister is a wild Gypsy girl, can she be tamed?

Mackenzie waker wakes up on the drag strip in wait OKC but,t she live in new Orleans when she find out the truth she is both happy and angered by who her biological father is... will she every find peace or will she stay upset.

There is a new racer in town, rumor has it they've beaten any one they've gone up against. So when the 405 hear about this new racer they try to find them, the name....Tomboy. But Tomboy has a secret and has a team or more a family and they all know TomBoys secret. What's the secret? No one has ever seen who tomboy really is but the team, but when Tomboy races ALL the 405 boys and wins they want Tomboy on the team, question is, who is Tomboy?

Sarah was welcomed into the 405 family a few months ago, but when she lies about being hurt to the boys, she finds out the hard way that they will find out and take care of their family regardless if they want the help or not

New racer Diamond Hubbard goes to Oklahoma City to try her car on the track with Street Outlaws. She has been racing since she was a little girl. She met her best friend Scarlett Hennings on the track in their home town in Texas. Will Diamond make it to the big leagues?

Rosalie Toretto is Dominic and Mia's sister. Rosalie is the youngest. Growing up nobody messed with her. Everyone knew her siblings. They especially knew Dom. Anytime she had trouble her brother got her out. Rosalie had always been around cars and tagging along with her siblings. What happens when Rosalie goes to Oklahoma with a friend and meets a street racer and falls for him?

SEQUAL TO THE RACE TRACK Diamond comes back to OKC after two years of being on the NASCAR track. Over the past two years, Diamond and Jason have gotten married. Jason also adopted Harley, they are so happy. They are even happier that they are moving back to OKC. Diamond has not told the guys she is planning to suprise them when she comes home.

Racer, August Bentley is from Nashville, she is 19 years old. She goes to Oklahoma city, to try for the 405. She has a past she wants to be kept dark. What happens when Chief finds out?

Novalie Ellington is Shawn Ellington's daughter. She is sixteen has a spunky personality, a daddy's girl, tomboy, and a sweet heart until you piss her off. She wants to become a street racer like her dad. Will he say no?