The Closer 'un 1 sezonu TNT (US) 'da lundi 13 juin 2005 'dan lundi 5 septembre 2005'a kadar yayınlandı. 13 bölümlerinden oluşuyor, ilkinin adı "Pilot" ve sonuncusunun adı "Standards and Practices".
Deputy Police Chief Brenda Leigh Johnson is a police detective who transfers from Atlanta to Los Angeles to head up a special unit of the LAPD that handles sensitive, high-profile murder cases. Despite a tendency to step on people's toes, Johnson manages to convert even her strongest adversaries with her unique ability to get to the truth.