Two Milanese girls meet in a toilet where a distracted bourgeois forgets a valuable ring. They take it and go in search of someone to sell it to, helped by a southern taxi driver.

In a move to make his partner, Renato, jealous, the flamboyant Albin waits in a local cafe - dressed as a woman - hoping to be picked up. But Albin gets more than he bargains for when the fly he catches in his web is actually a spy, who uses him as an unwitting courier of secret microfilm. Now on the run from ruthless agents, Albin and Renato flee to Italy where they attempt to hide out on a farm, with Albin posing as Renato's wife. Can Albin escape the deadly pursuit of these relentless spies or does he have to sustain this charade - as a woman - forever?

Countess Elena marries the charming Guido Rambaldi, only for him to be seduced by dancer Nara during their Venice honeymoon.