Lara Jean Song Covey has a secret: she writes love letters to every boy she's ever had a crush on, then hides them in a hatbox. Her quiet life is turned upside down when the letters are mysteriously mailed out, forcing her to confront her past feelings. To avoid awkwardness with her sister's ex-boyfriend, Josh, she enters a fake-dating arrangement with popular Peter Kavinsky, but soon discovers real emotions are much harder to fake. This heartwarming story explores first love, family bonds, and the courage to be your true self.