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.

A stranger is out to prove a new gunpowder is inferior to the kind used by the Rangers.

Major Robert Rogers organized "Rogers Rangers" to search for the alleged waterway across the United States during the French and Indian War (1754-1759).