The story revolves around Melody, a high school student who fails her chemistry exam multiple times. One day, she meets Leonardo, an Italian guy who makes a bet with his brothers that he can make an American girl fall in love with him in three weeks. Melody agrees to be his fake girlfriend in exchange for $10,000, which she needs to help her ailing father. Leonardo showers her with gifts and attention, but Melody soon finds herself drawn to Diego, Leonardo's brother, who is smart and kind. As Melody spends more time with Diego, she starts to develop feelings for him, but he seems to be ignoring her. Meanwhile, Leonardo becomes increasingly possessive and jealous. In the end, Melody discovers that Diego was also in on the bet, but she is more hurt by Leonardo's deception. However, after watching a video of Leonardo's true feelings, Melody realizes she has fallen for him and they share a kiss.
Here are the key facts extracted from the text:
1. The narrator, Melody, failed her chemistry exam for the fifth time in the 10th grade.
2. Melody bumped into a boy named Leonardo in the school hallway.
3. Leonardo asked Melody to fall in love with him within three weeks.
4. Melody agreed to pretend to be Leonardo's girlfriend for three weeks in exchange for $10,000.
5. Leonardo is a wealthy boy from Italy.
6. Melody's mother passed away, and she only wears black clothes as a tribute.
7. Leonardo gave Melody five Gucci bags in the first two hours of their fake relationship.
8. Melody met Leonardo's brother, Diego, who is a smart guy and helped Melody with her poetry exam.
9. Diego tutored Melody for five hours, and she failed the exam but was grateful for his help.
10. Melody and Diego spent time together, and Melody developed feelings for him.
11. Leonardo got jealous and told Melody not to talk to Diego again.
12. Diego gave Melody a bracelet with chemical elements to help her remember them.
13. Melody and Diego spent time together, and Melody realized she had feelings for him.
14. A girl appeared, claiming to be Diego's girlfriend, and Melody was heartbroken.
15. Melody realized she had been played by both Leonardo and Diego, who were involved in a bet to make her fall in love with one of them.
16. Melody slapped Leonardo and returned the chemical elements bracelet to Diego.
17. Leonardo and Diego got into a fight, but Melody stopped them.
18. A video showed Leonardo's true feelings for Melody, and he confessed his love for her.
19. Melody realized she had feelings for Leonardo and kissed him.