Senior year of high school takes center stage as Lara Jean returns from a family trip to Korea and considers her college plans — with and without Peter.

In a small town, a young, tight-knit group of friends fall in and out of love over the course of one intoxicating, music-filled summer night.

Lara Jean’s love life goes from imaginary to out of control when her secret letters to every boy she’s ever fallen for are mysteriously mailed out.