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.

When Lucas discovers that Derek's interest in Peyton is more than brotherly, Derek becomes menacing. Haley feels Nathan slipping away when he receives a scholarship offer to attend Duke University. As rumors of Brooke's pregnancy spread, Rachel uses the Internet to set Brooke up on a blind date with an older guy. At Nathan's request, Deb tries to kick her pill addiction.