The Calvert Conway spread, brand mark CoC, used to lie between Dallas to the north and Houston to the south, and east by west the Louisiana border and Wako. It wasn't the largest cattle ranch in Texas, but in its own right, between those two extremes, it was an empire. The ownership of empires, or the succession to them, has caused most of the turbulence in history, and has always brought tragedy and agony to the individuals involved in them - as witnessed in the story of CoC.