The Trick Is to Keep Breathing

S2 E9: Although Lucas takes Anna (recurring guest star Daniella Alonso) as his date to the Tree Hill High formal, he's with Brooke at the end of the night. Meanwhile, Haley's musical obligations to Chris (recurring guest star Tyler Hilton) cause her to arrive late to the formal, angering her husband. And Peyton struggles with the growing temptation to use drugs.