Every Girl Should Have One

While a diamond advocate attempts to steal a collection of diamonds, troubles arise when he realises he’s not the only one after the collection.

Thief Gaston Monescu and pickpocket Lily are partners in crime and love. Working for perfume company executive Mariette Colet, the two crooks decide to combine their criminal talents to rob their employer. Under the alias of Monsieur Laval, Gaston uses his position as Mariette's personal secretary to become closer to her. However, he takes things too far when he actually falls in love with Mariette, and has to choose between her and Lily.

Arvid is an ordinary bank clerk who lives a rather unassuming life with his dear girlfriend. But his life is turned completely upside down when he bravely manages to avert a robbery against the bank where he works.

Lorelei Lee is a beautiful showgirl engaged to be married to the wealthy Gus Esmond, much to the disapproval of Gus' rich father, Esmond Sr., who thinks that Lorelei is just after his money. When Lorelei goes on a cruise accompanied only by her best friend, Dorothy Shaw, Esmond Sr. hires Ernie Malone, a private detective, to follow her and report any questionable behavior that would disqualify her from the marriage.

A couple of high school graduates spend one final night cruising the strip with their buddies before they go off to college.