To celebrate Ethel and Fred's anniversary, Lucy and Ethel want to go to a nightclub while Ricky and Fred want to go to a boxing match instead. An argument ensues.
Worried that Ricky is starting to lose interest in her, Lucy decides to remind Ricky of Cuba and his childhood. With Ethel's help she decorates the home and decides to impersonate a singer like Ricky's mom.
When Lucy is months behind in paying the bills, she decides to go on a radio show to win $1,000. To win the money, she must introduce a stranger to Ricky as her 'first husband'.
Lucy gets superstitious with the daily Horoscope. When she explains to theatre producer Mr. Merriweather that Ricky's horoscope is not Ricky's day and he should say no, Lucy once again convinces Ricky to invite Mr. Merriweather to contact his beloved Tilly. However, the Ricardos get a big surprise of who Tilly really is.
Lucy thinks a mink coat that Ricky rented for a dance number at the club is actually her anniversary gift. She's so thrilled that Ricky can't bring himself to tell her the truth. He plans to fake a burglary to get it away from her.
After reading a newspaper article planted by Ricky's press agent, Ethel convinces Lucy that Ricky is fooling around with the lead dancer in his nightclub act.
Ricky and Fred are going to do a show for the Army troops at Fort Dix. To keep Lucy from wanting to be in it, they keep the reason they're going a secret. Lucy and Ethel think they've been drafted.
To earn some extra money to pay for a new dress, Lucy takes a job babysitting a little boy. She is amazed that she will be getting $5 an hour. She finds out why when the boy's mother sneaks a second, twin boy into the apartment.
Lucy's neighbor wants her to deliver an invitation to the grocer for a date. When she does, the grocer thinks the note is from Lucy rather than the neighbor. The grocer is delighted to think he will have dinner with Lucy.
Lucy is so frustrated that Ricky won't let her go into show business, she fakes being mentally ill. When Ricky finds out, he hires an actor to play a doctor and tell her she's really very sick and needs an operation.
Lucy enters a playwriting competition, hoping to cast Ricky, but has to settle for Fred, and rewrites. But when Ricky learns a movie producer will be judging the plays, he takes over for Fred, not knowing the script's been changed.
Ricky grows a mustache to get an acting job in a movie. Lucy doesn't like it, so she wears a fake beard and mustache she gets from Fred. The adhesive is so old, it won't come off.
The girls revolt over housework and want modern conveniences. The boys bet that they can survive longer than the girls without using anything invented after 1900, including electricity.
Lucy is the chairman of a bazaar for her club, but doesn't tell Ricky. When he finds all the cash and donations hidden in the apartment, he accuses her of being a compulsive thief.
Lucy and Ethel decide to make some money by buying a used walk-in freezer. When they unwittingly buy 700 pounds of beef, they try to sell it to customers at the butcher shop.
Lucy has angled her way onto Ricky's special as the show's pitch girl. She advertises a medicine called "Vitameatavegamin." Believing it contains vitamins, minerals, meat, and vegetables, Lucy does not know is that it also contains twenty-three percent of alcohol.
