Jacob Cotter survives the Civil War to finish Yale Medical School and confront two more battlefronts-one in Connecticut as a medical student and one in Texas as a surgeon. In CT he must confront his siblings who disowned him after his father was killed in the war alongside him in 1864. His brother and sister want him dead. Cotter helps establish the first hospital in Endura Texas where he faces a ruthless land baron and finds his father's murderer. He must use his guns in his medical practice.