Two peanut vendors at a rodeo show get in trouble with their boss and hide out on a railroad train heading west. They get jobs as cowboys on a dude ranch, despite the fact that neither of them knows anything about cowboys, horses, or anything else.

When a barnstorming stunt pilot decides to join the air corps, his two goofball assistants decide to go with him. Since the two are Abbott & Costello, the air corps doesn’t know what it’s in for.

Popular crooner Russ Raymond abandons his career at its peak and joins the Navy using an alias, Tommy Halstead. However, Dorothy Roberts, a reporter, discovers his identity and follows him in the hopes of photographing him and revealing his identity to the world. Aboard the Alabama, Tommy meets up with Smoky and Pomeroy, who help hide him from Dorothy, who hatches numerous schemes in an attempt to photograph Tommy/Russ being a sailor.

Although loudmouthed braggart Jerry Plunkett alienates his comrades and officers, Father Duffy, the regimental chaplain, has faith that he’ll prove himself in the end.

‘Guns’ Donovan prefers carousing with his pals Doc Dedham and ‘Boats’ Gilhooley, until Dedham’s high-society daughter Amelia shows up in their South Seas paradise.