Inciting Event: The Civil War begins.

First Plot Point: Custer graduates and is commissioned.

First Pinch Point: The Union cavalry is nearly defeated at Gettysburg.

Midpoint: Custer is sent to the Dakotas to fight the Sioux.

Second Pinch Point: Chief Crazy Horse escapes the fort.

Third Plot Point: Custer is court-martial end and the treaty with the Sioux is broken.

Climax: Custer and the 7th Cavalry go to battle the Sioux at Little Big Horn.

Climactic Moment: Custer is killed by Crazy Horse.

Resolution: Custer’s widow, acting on his dying wish, gets the treaty reinstated.