UNFORGETTABLE stars Poppy Montgomery in a drama about an enigmatic former detective with a rare condition that makes her able to recall every place, every conversation, every moment of joy and every heartbreak in her life. Carrie Wells (Montgomery) works with NYPD Det. Mike Costello (Michael Gaston), and her former boyfriend, Det. Al Burns (Dylan Walsh) solving homicides. UNFORGETTABLE will premiere this Fall, Tuesdays (10:00-11:00 PM ET/PT) on the CBS Television Network. Photo: Barbara Nitke/CBS Â©2011 CBS Broadcasting Inc. All Right Reserved.