First, in "The Grey Vulture," Ken Maynard is a cowboy who hides out at a ranch with a family when he mistakenly believes that he killed a man. After falling in love with the rancher's daughter, he decides to take on the foreman who is stealing their cattle. Hazel Deane, Boris Bullock co-star. Then, in "California in '49," Edmund Cobb is a scout for the Donner Party who must save his snowbound compadres by getting to an outpost before they die. He orchestrates the rescue, then becomes the leader of settlers revolting against oppressive Mexican forces. Feature version of the serial "Days of '49" co-stars Charles Brinley, Neva Gerber. 130 min. total. Standard; Soundtrack: music score. Silent with music score.