Ep 11. The Heart Brings You Back

Haley is shocked when her older sister, Taylor, unexpectedly stops by town for a visit, but not as shocked as Nathan when he realizes his past connection to her. Meanwhile, Brooke and Felix decide to stop being friends with benefits and start being a couple; Anna confides her deepest secret to Lucas; and as Peyton continues to fight the urge to turn to drugs to help her problems, a surprise visitor arrives in Tree Hill.