When someone unleashes the students' time capsule upon Tree Hill High, Lucas (Chad Michael Murray) and Mouth (Lee Norris) must confront a person from their past. Brooke (Sophia Bush) has to deal with the revelation that secrets aren't the only things she exposed in the time capsule. Dan (Paul Johansson) learns to forgive Keith (Craig Sheffer). Haley (Bethany Joy) is forced to reconcile the man Nathan (James Lafferty) was before with the man he has become, and Peyton's (Hilarie Burton) Breast Cancer Benefit Concert at Tric features performances by Haley, Jack's Mannequin and the return of Fall Out Boy.
