Based on a true story, this riveting western follows a headstrong New York widow as she journeys west to meet Sioux chief Sitting Bull, facing off with an army officer intent on war with Native Americans.

Jessica Chastain
as Catherine Weldon

Michael Greyeyes
as Sitting Bull

Sam Rockwell
as Silas Groves

Ciarán Hinds
as James McLaughlin

Chaske Spencer
as Chaska

Bill Camp
as General Crook

Willy RunsAbove
as Chief Black Bear

Louisa Krause
as Loretta

Robert Mirabal
as Only Man

Monika Crowfoot
as Seen By The Nation