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.

Two sailors, Joe (Kelly) and Clarence (Sinatra) have four days shore leave in spend their shore leave trying to get a girl for Clarence. Clarence has his eye on a girl with musical aspirations, and before Joe can stop him, promises to get her an audition with José Iturbi. But the trouble really starts when Joe realizes he’s falling for his buddy’s girl.

Rufus T. Firefly is named president/dictator of bankrupt Freedonia and declares war on neighboring Sylvania over the love of wealthy Mrs. Teasdale.