The Painted Stallion

The Painted Stallion is a 1937 Republic movie serial. It was the sixth Republic serial of the sixtysix made by that company. Western serials such as this made up a third of the serials from Republic, a studio that was also heavily involved in making BWestern feature films at the time.

A wagon train travelling from Independence, Missouri to Santa Fe means trouble for Alfredo Dupray, his authority from Spain will end with the arrival of a Mexican Governor. He plots to solve this by intercepting a trade agreement, to be negotiated by Clark Stuart on the wagon train, and disrupt MexicoUnited States relations.Repeated attacks are thwarted, however, by the appearance of a mysterious Rider on a Painted Stallion who issues warnings with her whistling arrows. With her help Clark Stuart, along with historical characters, Kit Carson, Jim Bowie and Davy Crockett work to defeat Dupray. Eventually, they assist the arrival of the United States Cavalry and the treaty is signed, leaving Stuart and the Rider to ride away together. ........

Source: Wikipedia