VIDEO : Jessica Chastain Stars In Film About Native American Land Rights

In Jessica Chastain's latest movie, "Woman Walks Ahead," she continues her quest to get powerful female stories to the big screen. But to make things more challenging, this one is a Western."Woman Walks Ahead" follows the true story of Catherine Weldon, played by Chastain, a 1800s portrait painter from Brooklyn who travels out West to seek out Sitting Bull to paint him. But the two quickly build a friendship leading to Weldon assisting the legendary Native American leader and the Lakota people in their struggle over land rights.