It's Prom night, but things start to go awry as Lucas discovers who was the person in the hallway when Keith was killed, and psycho Derek holds Peyton hostage at her own house. Meanwhile, Haley and Nathan vow to be romantic with each other throughout the night, and Dan continues to win over Karen's affections.
Elenco: James Lafferty , Bethany Joy Lenz , Paul Johansson , Sophia Bush , Lee Norris , Antwon Tanner , Jackson Brundage , Lisa Goldstein , Austin Nichols , Robert Buckley , Shantel VanSanten , Jana Kramer , Stephen Colletti , Tyler Hilton , James Lafferty , Jana Kramer , Lee Noris , Lisa Goldstein , Moira Kelly , Paul Johansson , Robert Buckley , Shantel VanSanten , Tyler Hilton .