You can't move on before you come to terms w/ the secrets that held you in place all those years ago. A tragic event forces Brooke and Haley to make rash decisions. At HS reunion Brooke comes clean retelling the journey and setting them all free.
What happens when Brooke runs after Lucas in school shooting? What happens when Lucas has to choose between Brooke and Peyton? What happens when the mistakes you made are the reason for pain and suffering?