In 1816, Mordecai Lewis, a veteran of Andrew Jackson's Indian campaigns and battles against the British, moves his family into the western Tennessee canebrakes. But Mordecai, a born wanderer, is not satisfied with farming, and with his sons Michael and Andrew and some other backwoodsmen, he leads a foray into Spanish-held Texas to hunt wild horses and return the mustang herd to sell in Tennessee. Crossing the Sabine River, Mordecai's party encounters...