Hearing of illness affecting the indians, Sgt Preston and King investigate the indians camp, and the symptoms they’re having. Can he locate a doctor who will recognize the disease, and be of help?
The doctor discovers diptheria, and warns Preston of its highly contageous nature. Still, the mountie is willing to pitch in and help the over worked medical man to provide the care of the indians.
There’s plenty of jobs to do, and King is soon hauling medicine in his sled to deliver the cure that’s desperately needed. Stay tuned in for the heroic adventure.