After searching for a place to call home, Jack Tripper eventually finds the ideal apartment to rent, but to live with two ladies, he must pretend to be someone he is not.
In the second season, the companions try to organize their lives and establish some strict rules to maintain their privacy, while Jack strives to get his dream job no matter the cost.
In Season 3, Jack faces many difficulties in his love life with Linda and others, and while Larry thinks he has found the girl of his dreams, the friends try to protect Chrissy from her suspicious closeness to her boss.
In the fourth season, Jack poses as Chrissy to elude the FBI. The girls suspect that each of them is in a relationship with Jack, and Chrissy begins a new love story.
In the fifth season, Janet tells her family she married Jack, who gets a prominent new job, and the two of them look into Cindy's disappearance.
As Janet grows suspicious of Jack due to Terri's treatment of him, the roommates decide to employ Cindy as a maid, and Jack pretends to be a doctor to please his grandfather. Jack keeps getting himself into a lot of amusing situations.
In season 7, Terri's boyfriend suspects that Jack is the reason for her breaking up with him. Jack dates one of Janet's friends without knowing that she is married, and Terri and Janet try to raise money to help Jack.
Mishaps continue in season 8, as Jack gets $1,000 from the ATM by mistake, Terri pretends to be married to repel her boss' sexual approaches, one of Janet's clients puts her name in his will, and Vicky confesses to Jack that she doesn't want to marry him because she's afraid of the idea of...Read more marriage.