The girls are shocked when Jerry announces that he’s getting married! Although he admits it’s quite sudden, Jerry is delighted to present his true love to the spies – Miss Myrna Beesbottom! Yes, the girls’ nanny is back. Clover and Alex soon find themselves liking Myrna and help plan the wedding. Meanwhile, Sam uncovers the truth: Myrna’s got a sordid past and her true love is power! In a b-story, the girls are smitten with Guillaume, their new French pool-boy.