what is season 9 of one tree hill about
One Tree Hill (season 9) The ninth and final seasons deals with the disappearance and ransom of Nathan Scott. Clay battles a drug addiction and later learns of a secret that turns his life upside down. Brooke faces a demon from her past while struggling to reconnect with her father. Dan's search for Nathan brings back old faces to Tree Hill. Haley battles with the prospect of being a single mother of two.