notably missing here, ernest burkhart, her grandfather.story of molly and ernest burkhart and the deaths that surrounded her family was buried deep beneath the hallowed tribal land of the osage people. a love story which ended in a murderous plot. that love story one of the arcs of david grant's best-selling book, "killers of the flower moon." one that inspired a movie of the same name directed by martin scorsese which shines a light on the reign of terror that struck the osage tribe in the early 20th century. leonardo dicaprio and lily gladstone play margie's grandparents. native film star gladstone learned to speak osage during her role. [ speaking in a non-english language ] >> i don't know what she said but it must be indian for "handsome devil." >> i want to make sure the story is told accurately. that was a concern, that there would be some distortion to the facts. >> reporter: her home and the surrounding area transformed as scorsese's team worked with locals to bring their rich culture to the big screen. in the late 1800s, the osag

ernest burkhart wormed his way into the osage family tree by marrying an osage woman named molly in 1917life love affair as troubled as it was is where the film begins. >> what was that? >> that's how you are. >> i don't know what you said, but it must have been indian for handsome devil. >> the heart of the entire situation, love, trust that goes with love and this extraordinary betrayal. and still loving. now, how do we do that? >> reporter: the short answer, carefully. >> we did our absolute best to listen to the osage community. i don't know if we did a perfect job. who knows? but they embraced us and we're so incredibly helpful and so vulnerable. >> this is an osage, typical of that time, that era. >> reporter: principal chief of the osage nation, jeffrey m. standing bear, knows the risks of letting hollywood in. >> the americans always had someone else tell the story about us, but we want to tell our story. >> reporter: when we spoke with the cast and crew back in july, they were all on that same page. especially martin scorsese. >> you deal with the native americans and indigenous