Heartland is an American television drama series that aired on TNT in 2007. The series was based in the high-stakes world of heart-transplant surgery at "St. Jude" hospital in Pittsburgh based largely on the transplant center at the University of Pittsburgh Medical Center. It followed a recently separated couple who work both sides of the trade: She convinces the survivors and loved ones to donate the organs of the newly or about to be deceased; he races against time to implant the valuable organs into patients who are struggling against time and their failing bodies to hold on just long enough to receive the life-saving gifts. It was produced by Warner Horizon Television.