When widow Monica meets her new heart doctor, Alex Rennie, sparks begin to fly. With the enormous Lovejoy Hospital security system to develop and implement, Monica is distracted by timelines and technology. When patients begin to die, Dr. Rennie suspects foul play. The administrators at the hospital are making changes that pit doctors against each other. A nurse, Elliot Carver, seems to be linked to them somehow, but then an infant dies and Monica’s heart begins to fail. Dr. Rennie is forced to act fast and try to save Monica and solve the mystery of who is killing the patients at Lovejoy Hospital.