Truth, Bitter Truth
The girls of Tree Hill have a slumber party, at which time secrets are revealed and bonds are made. Meanwhile, Nathan and Lucas road trip to Charlotte for a basketball game, and unknowingly to Lucas, they embark upon free HCM tests, a genetic heart condition that Dan maintains. Karen and Andy have a row.

Cast
James LaffertyNathan Scott
Bethany Joy LenzHaley James Scott
Sophia BushBrooke Davis
Austin NicholsJulian Baker
Robert BuckleyClay Evans
Shantel VanSantenQuinn James
Jackson BrundageJamie Scott
Lee NorrisMarvin 'Mouth' McFadden
Lisa Goldstein KirschMillicent Huxtable
Stephen CollettiChase AdamsOne Tree Hill on tvt

