You're Gonna Need Someone On Your Side

S5 E11: On the eve of their own wedding, Lucas and Lindsey (recurring guest star MICHAELA McMANUS) conspire to save Nathan and Haley's marriage. Brooke pairs Peyton with a surprise old boyfriend, all the while dealing with Victoria (recurring guest star DAPHNE ZUNIGA). And Rachel (recurring guest star DANNEEL HARRIS) returns to Tree Hill to face old challenges; Dan (recurring guest star PAUL JOHANNSSON) also returns, hoping for a fresh start.