
Parmenter goes undercover to find out who is selling guns to the Apaches after a colonel lets him know that someone in F Troop is a traitor.
A mountie is after the burglar of Banff, whom he believes is Agarn's look-a-like French Canadian cousin, Lucky Pierre Agarniere.
Everyone except Agarn is transferred, and he must train G Troop whose recruits turn out to be worse than F Troop.