Martin Arrowsmith, a medical research scientist, abandons his laboratory assistant role to open a medical practice in South Dakota to support his wife, Leora. However, he eventually returns to research, making a groundbreaking discovery with unclear practical uses. When a plague outbreak occurs in the West Indies, Arrowsmith must decide whether to risk using the untested serum to save lives, weighing personal sacrifice against the greater good.

Arrowsmith
A medical researcher faces a daunting choice between prioritizing the survival of the many or preserving the limited vaccine supply as a deadly pandemic ravages the world.