* Bella Swan moves to Forks, Washington to live with her father, Charlie, and begins attending the local high school.
* She meets Edward Cullen, a mysterious and aloof classmate who is also a vampire.
* Edward and Bella fall in love, but struggle with their conflicting natures and try to find a way to be together without putting Bella's life in danger.
New Moon
* After Edward leaves Bella, she begins to spiral out of control.
* She takes reckless risks, including riding a motorcycle with her friend Jacob Black, who is a werewolf and shapeshifter.
- Jacob and Bella grow close, but Bella cannot forget about Edward.
Eclipse
* Bella is caught in a love triangle between Edward and Jacob, who are both willing to risk their lives to protect her from an ancient vampire named Victoria who wants revenge for the death of her mate, James.
* Bella must choose between them as the tension between the vampires and werewolves reaches a breaking point.
Breaking Dawn
* Bella and Edward finally wed, and Bella becomes pregnant with Edward's child, a hybrid vampire-human.
* The Volturi, a powerful vampire coven, try to kill the child because they believe it is a threat to the vampire world.
- Bella and Edward, along with their allies, fight to protect the child and prove its non-threatening nature.