Saskatchewan (titled O'Rourke of the Royal Mounted in the UK) is a 1954 American Northern adventure film directed by Raoul Walsh and starring Alan Ladd, Shelley Winters and J. Carrol Naish.

North-West Mounted Police Sub-Inspector O'Rourke and his Cree brother Cajou are returning from a trapping trip in northern Canada when they encounter a burned wagon train and sole survivor Grace Markey.

At their fort, O'Rourke meets for the first time the new post commander Inspector Benton (recently arrived from England) who gave an order to confiscate all the rifles of the Crees.

O'Rourke initially refused to follow the order of his superior explaining that he personally gave the rifle to Cajou.

The Sioux promised the Crees to replace the rifles confiscated by the Mounties as they have extra rifles taken from the dead of the 7th US Cavalry which they massacred at the Battle of the Little Bighorn The Mounties at Fort Saskatchewan were ordered by higher authorities to go to Fort Walsh which is located near the border.

O'Rourke proceeded to Fort Walsh to inform the superintendent commanding the post of the Cree chief's word of not joining the Sioux in an alliance if their rifles are returned.

The superintendent brushes this comment of O'Rourke and orders the post sergeant to prepare the force for a trip to meet the Sioux.