One 木, ツリー 丘, ヒル commenced on September 23, 2003. The first season finale aired on May 11, 2004.

Tree 丘, ヒル is a small town in North Carolina, ホーム to the famous High School バスケットボール, バスケット ボール team "The 木, ツリー 丘, ヒル Ravens" and two half-brothers Lucas Scott (played によって Chad Michael Murray) and Nathan Scott (played によって James Lafferty). The two brothers have grown up in the same town, but have had little または no contact with each other due to the influence of their mutual father, Dan Scott (Paul Johansson).

Dan dated Lucas' mother Karen Roe (Moira Kelly) in High School but left her and his unborn child (Lucas) behind...