Watch Red River (1948) (1948) HD Full Movie Free on SolarMovie. Watch Red River (1948) (1948) online free. Dunson leads a cattle drive, the culmination of over 14 years of work, to its destination in Missour...Dunson leads a cattle drive, the culmination of over 14 years of work, to its destination in Missouri. But his tyrannical behavior along the way causes a mutiny, led by his adopted son.