It's Fred and Ethel's 18th wedding anniversary, Ethel wants to go to the Copa Cabana and Fred wants to go to the fights. Lucy helps Ethel to try and change the boys minds and Ricky helps Fred to do the same with the girls. Neither side will give in so Lucy tries to find dates to escort her and Ethel to the Copa, when Ricky finds out he tells Fred they need to find dates so they can go to the Copa and keep an eye on the girls. They both end up calling the same person for help with finding escorts and the result was the beginning of TV's funniest sitcom ever.
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.
In this episode, 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.
When Lucy gets mad at how sloppy Ricky is, she decides to get back at him by only cleaning 'her half' of the apartment. When a magazine photographer comes to photograph the place for a musician's magazine, she goes all out and makes it as messy as she can.
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.
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.
In this classic "I Love Lucy" episode, Lucy angled here way onto Ricky's special as the show's pitch girl. She advertises a medicine called "Vitameatavegamin." Believe it contains vitamins, minerals, meat, and vegetables, Lucy actually does not know is that the stuff is also contained twenty-three percent of alcohol.