Major Rogers plans for a decisive blow against the French army are thwarted when Ensign Towne is captured by Black Wolf's tribesmen. Rogers must rescue his young officer before the Indians can force him to reveal the Rangers attack plans.

Maj. Rogers, Sgt. Marriner and Ens. Towne are captured by a French patrol and thrown into a prison stockade. There they are subject to inhuman conditions and brutal torture by the sadistic French commander, Maj. Marten.

During the Rangers attack on Montreal in 1760, Rogers is injured when a wall collapses, is captured and held prisoner by French insurgents. A group of children and a priest help him try to escape.

The French hire an assassin to lure Major Rogers to his death in Quebec City.

Marriner is chosen to demonstrate an improved new gunpowder.

A young runaway's father tries to flee an Indian attack.