The Tree Hill residents are forced to face their fears as Dan turns over on a new leaf and Brooke makes the hardest decision of her life. In the meantime, Haley’s career takes a turn and Peyton is visited by somebody from her past. Lucas is still struggling to mend his heart after Lindsey left him at the alter. Mouth and Millicent meet a new face. With all, Lucas and Brooke help each other through the struggles.