Marshals Lash and Fuzzy are sent to get the goods on Duce Rago. To join Rago's gang, Lash decides to pose as an outlaw by wearing the known belt buckle of a notorious outlaw.

Tana, a voluptuous half-caste girl of the South Seas, falls in love with FBI agent Wally and wishes to marry him and leave the island. Wally, with his pal Jinx, is there to investigate rumored Japanese spy activity. He agrees to marry her if she will help him in his investigations. Through the discovery of a contraband radio set tuned to Japanese reception, Wally learns that the local Commandant is in league with the enemy and is planning an invasion of the island.

A none-too-popular (nor good) radio singer, Rita Wilson is murdered while singing on the air in a radio studio. Radio page boy, Frankie Ryan, and his janitor pal, Jeff, solve the mystery for the none-too-sharp police.

Rawley University is about to receive a star athlete who could give it the first championship rowing team it's ever had. Unfortunately, he gets drafted into the army before he's able to join the team. Two of the team's members get the bright idea of passing off a burly truck driver as the "athlete". Complications ensue.

A struggling young singer falls for a nightclub owner whose father, a millionaire, is trying to shut it down.