Ann and Schneider concoct a scheme when her overzealous support for his pay increase demand from the building's brand new owner leaves Schneider without a job and Ann without an apartment.
Ann gives Mr. Davenport her two week notice after getting a lucrative offer to run the public relations department at a fast-growing computer firm, not fully realizing what she's getting herself into.
Barbara's chosen to be her school's "trophy girl" and Bob Morton is assigned to do photograph of her at the apartment. Unfortunately, the photo shoot is abruptly cut short when Schneider accidentally slams a door in her face.
When her new neighbor's baby grand piano is accidentally delivered to her apartment, Ann reluctantly agrees to take piano lessons from the newly-divorced man as compensation for the inconvenience... which only seems to grow by the minute.
A Connors and Davenport employee leaves the firm to start his own PR agency, and promptly steals Ann's biggest account. She comes up with fresh new ideas to win the account back, but Francine Webster plans to use those ideas and her feminine wiles to get the account for herself.
Julie becomes severely depressed when one of her instructors tells her she's not cut out to be a fashion designer, while Barbara gets an acceptance letter from the University of Wisconsin and Schneider wins a bowling trophy.
After an awkward run-in with one of Mark's friends at a Japanese restaurant, Ann plans to call off her affair with Mark. However, she's caught off guard when he breaks the news that he and his wife have agreed to divorce.
Ann's devastated after Schneider finds out that Mark the sports writer is married. However, a heated confrontation with Mark at the apartment doesn't stop her from accepting his invitation to spend the weekend at his family's cabin.
Ann goes to the doctor to get her sore shoulder examined, but first gets "examined" by a professional sports writer in the office impersonating the doctor. Instead of being outraged, Ann finds herself quickly falling in love with him after he apologizes and showers her with unusual gifts.
Sensing a lack of Christmas spirit in the Romano apartment, Schneider lends Ann and the girls the key to his mountain cabin to spend quality time together at an important juncture in their lives.
Bob Morton becomes assistant manager at Quickie Burger and promptly gives Barbara her first job. However, Barbara tests his managerial skills when her work schedule conflicts with a big senior class party.
At the last minute, Mr. Davenport assigns Ann to play hostess to an Arab sheikh, not knowing that the large group of protesters hounding him is being led by Julie.
Stubbornly refusing to reconcile with a contrite Julie, Barbara storms out determined to win back Doug and prove she's no longer just her little sister.
Having just broken up with Cliff Randall, Barbara meets Doug, the leader of a local rock group, at a party and helps Julie become the group's new singer. Julie repays the favor by going on a date with Doug behind her back.
An elderly, wheelchair-bound resident of the apartment complex is being evicted for refusing to pay a rent increase, and the Romanos let him hide in their apartment. As the cops close in, he takes Schneider hostage and demands to speak with a television reporter.
Ann's visited by her bubbly married friends from Logansport who have been relentlessly pushing her to find a new husband, and gets an unexpected reaction after explaining to the wife how happy she is as an independent woman.
Julie and Barbara find themselves in an unenviable position as they deal with their inebriated father while their mother prepares to wage a lengthy court battle against him.
Ed shows up with the unsettling news that his business is about to go belly-up and he's planning to cut off child support.