Captivated

http://www.fanfiction.net/s/9053881/1

Dean Winchester is a serial killer, with a strange moral code. Castiel is a boring college student with multitudes of crippling anxieties and disorders. When Castiel becomes Dean's hostage will they discover they aren't so different after all? Destiel. Trigger Warning: Graphic Violence, Cutting, Depression, Suicidal Tendencies, Molestation.