True story of the doctor who considered it was not immoral to search for a drug that would cure syphillis.

A beautiful but vain woman who rejects the love of her older husband must face the loss of her youth and beauty.

In 1925, a group of brave mushers travel 700 miles to save the small children of Nome, Alaska from a deadly epidemic.

Cowboy Ross McEwen arrives in town. He asks the banker for a loan of $2000. When the banker asks about securing a loan that large, McEwen shows him his six-gun collateral. The banker hands over the money in exchange for an I.O.U., signed "Jefferson Davis". McEwen rides out of town and catches a train, but not before being bitten by a rattler. On the train, a nurse, Miss Hollister, tends to his wound. A posse searches the train, but McEwen manages to escape notice. However a mysterious Mexican has taken note of the cowboy, and that loudmouthed brat is still nosing around. Who will be the first to claim the reward for the robber's capture?

A doctor trying to fight a diphtheria epidemic comes into conflict with a police captain who is using all his resources to track down a cop-killer.

The daughter of a lighthouse keeper falls ill with diphtheria, but there is no doctor on the island. A wireless operator has the idea of contacting a passing passenger liner, to try and find a doctor.