In a shocking season opener, the aftermath of the post-wedding car accident unfolds. While Haley is deeply affected by Nathan's attempt to rescue Cooper and Rachel, Brooke confronts Lucas with her true feelings, and Peyton makes a startling discovery. Pressured by the fact that someone might know he killed his brother, Dan assaults Deb.

Lucas and Brooke, now broken up, clash at a post-game party and Haley realizes that Rachel is plotting to seduce Nathan. Meanwhile, Peyton connects with her half-brother, Rachel reveals that she knows who is pregnant and Skills takes the court with the Ravens basketball team.