Based on the long-running radio show. Irma is a likeable airhead who meddles in her roommate's love-life. Dean Martin and Jerry Lewis, in their first screen appearance, are juice-bar operators who are discovered when a self-proclaimed manager hears Martin's golden voice. Irma's roommate wants to marry her rich boss, but instead falls in love with Martin.

Dozens of star and character-actor cameos and a message about the Variety Club (show-business charity) are woven into a framework about two hopeful young ladies who come to Hollywood, exchange identities, and cause comic confusion (with slapstick interludes) throughout the Paramount studio.

Nightclub singer Larry Todd breaks off his romance with a beautiful showgirl when he realizes she's the girlfriend of a murderously jealous gangster. While on the run, Larry mistakenly believes he kills one of the mobsters and is helped to escape police by heiress Mary Carol, who smuggles Larry and partner Myron to Cuba. Mary has inherited a haunted castle on an isolated island and, ignoring ominous warnings and threats, decides to take possession. While there, the trio hunt for a hidden treasure and encounter a ghost, a zombie, and a mysterious killer.

A musical about a man, Reb Randall , who rides into a frontier town looking for his brother's killer, but is surprised to find everyone in the town is celebrating his kin's death and, for that matter, gunplay in general. He eventually discovers the murderer and each man swears to shoot down the other in a gunfight. However, their girlfriends team up to put an end to the bloodshed. Alfred Jingle got the wrong man!

A lady rancher borrows a million dollars from the bank to build a dam to irrigate Haunted Valley. The contract specifies that if she doesn't get the dam finished and pay back the loan in three months, the bank would get her ranch, the dam and the entire valley. The banker intends to make sure that she doesn't finish the dam.