The dialogue is a conversation between two characters, Adeline and Sienna. Adeline, the younger sister, resents Sienna for her popularity and the way she's always favored by their parents. Sienna, on the other hand, views Adeline as a rival and tries to undermine her.
Adeline befriends Bianca, a girl who moved to their neighborhood, and they become best friends. Bianca helps Adeline navigate life with Sienna, who is always trying to make her feel inferior. Adeline starts to take an interest in Simon, a boy at school. However, Sienna is also interested in Simon, and the two become embroiled in a competition for his attention.
When Sienna's birthday party is a disaster, Adeline decides to stand up for herself. She reads Sienna's diary out loud in front of everyone, revealing Sienna's true character. This leads to a fight between the two sisters, which is resolved by their parents. Adeline later apologizes to Sienna, and they decide to try to be better to each other.
Sienna tries to seduce Simon, but Adeline confronts her and they fight. Adeline's friend Bianca helps her, and they end up hugging on a tree, symbolizing their newfound friendship. The conversation ends with Sienna admitting that Bianca likes Adeline.
1. The speaker is Adeline, a girl from France. She has a younger sister named Sienna, and they have a contentious relationship.
2. Sienna is described as having blonde curls and blue eyes, and she is portrayed as being angelic and perfect in front of others. However, Adeline sees her as pure evil.
3. When Adeline was five, she had a Lego building, which Sienna knocked down, leading to an argument between the two.
4. Sienna is described as being a family favorite, always receiving compliments and better gifts. However, she is also portrayed as being mean and cruel.
5. Adeline's best friend is Bianca, who recently moved to their neighborhood. Bianca and Adeline bond over their shared experiences of dealing with Sienna.
6. When they were in high school, Sienna tried to isolate Adeline from her friends, including Simon, who Adeline had a crush on.
7. Adeline decided to expose Sienna by reading her diary out loud during a surprise birthday party. This led to a confrontation between them.
8. After the party, Adeline started hanging out with Sienna's old friends, which made Sienna mad.
9. Simon asked Adeline out, and they shared their numbers. However, when Adeline saw Bianca with Simon, she felt a sinking feeling.
10. In the end, Adeline and Bianca ended up as friends, and Adeline decided to try to be nicer to Sienna.