Truth, Bitter Truth

S2 E8: Brooke, Peyton, Haley and Anna have a slumber party at Haley's apartment at which secrets and lies are revealed. Meanwhile, when Lucas and Nathan take a road trip to a Bobcats game, Nathan reveals he is being tested for the genetic defect that caused Dan's heart attack and suggests Lucas do the same. After an awkward encounter with Keith and Jules, Karen and Andy share an intimate night together.