In a small North Carolina town during the late 1990s, rebellious high school senior Landon Carter finds himself in trouble with the law after a prank gone wrong. As punishment, he's forced to participate in school activities, including the drama club. It's there he meets Jamie Sullivan, the quiet and devout daughter of the local Baptist minister. Known for her modesty and spirituality, Jamie is not the type of girl Landon usually spends time with. As they begin rehearsing for the school play, Landon is initially dismissive but gradually becomes intrigued by Jamie's unwavering faith and kind-hearted nature.

Despite their differences and the skepticism of his friends, Landon grows close to Jamie, who challenges him to become a better person. Her influence starts transforming his outlook on life and helps him navigate complex personal challenges, including mending his strained relationship with his mother and making amends for his past mistakes. As they form an unexpected bond, Jamie insists he refrain from falling in love with her, a request that initially confounds him. As he grapples with his feelings, Landon discovers Jamie harbors a heart-wrenching secret that will test their connection in profound ways.