Here is a possible summary:
Mia is a 15-year-old girl who moves back to her mom's hometown with her supermodel mom, Joanne. She finds out that two men, Mr. Jason and Tom, claim to be her dad and compete for her and Joanne's attention. She also meets Steve, a friendly stranger who plays games with her and gives her money. She later discovers that Steve is her real dad, who was in love with Joanne and wanted to propose to her before she ran away. Mia feels happy to finally know the truth and hugs Steve and Joanne.
Here are some possible key facts extracted from the text:
1. The narrator is Mia, a 15-year-old girl who has a supermodel mom and travels a lot.
2. Mia's mom decides to move back to her hometown without telling Mia the reason.
3. Mia finds out that her mom left 15 years ago when she was pregnant with her and never told her who her father was.
4. Mia meets two men in her mom's hometown, Mr. Jason and Tom, who both claim to be her father and try to win her over with gifts and attention.
5. Mia also meets a boy named Aaron, who likes her and defends her from the jealous girls at school.
6. Mia skips school one day and meets Steve, a stranger who plays games with her and treats her kindly.
7. Mia goes to a party with Aaron, but her mom shows up and drags her out, saying they are leaving for Paris the next day.
8. Steve intervenes and reveals that he was in love with Mia's mom and was going to propose to her 15 years ago, but she disappeared after an accident.
9. Mia's mom admits that Steve is Mia's father and that she still loves him.
10. Mia hugs Steve and feels that he is her true dad.