A down-and-out reporter and a fashion designer fall in love in Paris.

An American secret agent travels to Africa to infiltrate a Nazi spy ring.

Boston pharmacist Tom Craig comes to Sacramento, where he runs afoul of local political boss Britt Dawson, who exacts protection payment from the citizenry. Dawson frames Craig with poisoned medicine, but Craig redeems himself during a Gold Rush epidemic.

When a play's two producers are murdered, the playwright tries to solve the crime.