The series, which was loosely based on creator and executive producers Jada Pinkett Smith and Will Smith's own blended family, revolved around Robert James (Duane Martin) a divorced TV entertainment reporter with a young son, Robert "Bobby" James, Jr. (Khamani Griffin), and his fiancée, Tia Jewel (Elise Neal), a kindergarten teacher who helped him through the breakup of his first marriage. Robert shares custody of his son with his ex-wife Neesee (LisaRaye McCoy), with whom he shares a tenuously friendly relationship for the sake of their son. Robert also finds himself in a difficult situation, attempting to maintain the peace, however uneasy, between his ex-wife and his fiancée. Friends of the couple included Dirk Black (Tony Rock), Robert's single best friend and producer, and Tia's best friend and fellow teacher Jonelle Abrahams (Terri J. Vaughn). In season three, Tia breaks off her engagement to Robert, leaving a newly single Robert faced with a situation wherein Neesee must move in with him and Bobby temporarily after her apartment building is destroyed by fire. In addition to Tia, two other supporting characters, Jonelle and Turtle (James Vincent), were written out of the series. In season four, Laivan Greene joined the cast as Courtney, Dirk's long-lost daughter.
Tia tries to explain why she needs some space, Robert successfully seduces her, thinking their problems are solved only to be disappointed the next morning when Tia tells him nothing has changed. But when Neesee attempts to get Robert and Tia back together, her plan backfires, not realizing that she is the reason for their separation. Later, when Jonelle decides to take Tia out to take her mind off of the separation, Robert shows up at the club and begs Tia to reconsider, only to find her being hit on by an annoying guy named Hale.
Coping with heartache means moping for Robert---until he sees his son copying his depressive behavior. A fireman takes an interest in Tia after a classroom visit.
After learning that Robert has started dating again, Tia immediately asks flirty fireman Rick to join her on a double date with Dirk and Jonelle, but when Robert decides to keep tabs on Tia by calling Dirk in the middle of dinner, he gets more than an earful when Dirk accidentally blurts out that Tia kissed Rick. Later, thinking Tia has moved on, Robert goes in for a passionate good night kiss with his date Sheena, but pulls back at the last minute after his eye catches a photo of Tia.
When Neesee nurses ailing Robert and Bobby Jr. back to health, Robert gets to see a more caring and nurturing side of his ex-wife, which brings back all of the old feelings he had when he first fell in love with her. Later, when Tia sees an ugly side to Rick, she realizes she is still in love with Robert and wants to reconcile, only to find out that Robert now needs space.
It seem's that Robert and Tia's relationship are coming together again only to find out that Robert confesses to Tia that he almost shared a kiss with Neesee, which makes Tia very depressed about this situation.
Robert, Tia and Neesee are outraged to find out that Bobby is lost in the basketball stadium after when Robert broke Bobby's promise about taking him to a basketball game and spending some time with him, which then causes Robert, Tia and Neesee to have a serious argument.
When Tia's dad, Lucas joins the family for Thanksgiving dinner, he is immediately taken by Neesee's mom (guest star Debbie Allen) and spends the entire meal flirting with her, while she wants nothing to do with him. Later, after Bobby ignores his parents' orders twice, they decide they must punish him with his first spanking.
Robert coaches a game in which he is forced to deal with a boisterous heckling father, but he turns the other cheek in order to teach Bobby a lesson.
A snowstorm forces Robert off the road on his way to an interview in New York and jeopardizes his chances of spending Christmas with Bobby and Tia.
When Bobby lies, Robert, Neesee and Tia all have different techniques on how to deal the situation. Also Neesee takes her therapist's advice and tries to work out some issiues with her estranged father.
Robert & Neesee's old friend, Frankie comes back to town having found God and transformed to a hip & modern day minister. He inspires them to re-evaluate their lives and also to make some changes. Also after listening to Frankie preach, Bobby thinks he has sinned and will be sent to hell.
Robert refuses to accept that Bobby has ADD and tries to cure him without therapy.
Robert's romantic New York Valentine's weekend with Tia goes awry when his big interview with Serena Williams keeps getting postponed by her wacky cousin/assistant Wanda. Meanwhile, Neesee caters a high-profile party for Alex's new boyfriend Eric, but when his demands become out of control, it causes tension between the two women.
After an argument, Jonelle throws him out, Dirk crashes on Robert and Tia's couch causing them to get sucked into their best friends' break-up. Also, Neesee co-chairs a school fundraiser with another very competitive mother, who unexpectedly winds up being the perfect business partner for her.
Robert lands a job as a weekend correspondent for ""Entertainment Tonight"" and insists Dirk be his producer, but when he criticizes the stories they are assigning Robert, Dirk ends up quitting. Meanwhile, when Rusty, the brother of her new business partner, comes over to help Neesee build some shelves in her apartment, she unexpectedly finds herself attracted to him, but when they start dating, Rusty doesn't want to tell his sister.
When Robert finds himself unable to handle working on two shows at once, he is forced to choose between ``Mr. L.A.'' and ``Entertainment Tonight.''
While celebrating Neesee's birthday at her apartment, Robert and Tia find a pregnancy test and believe Neesee is pregnant.
When Dirk gives his opinion on how marriage changes everything, Robert, Tia, Neesee and Bobby each fantasize how their lives will be affected by Robert and Tia's marriage
It's obvious to believe that Robert is spending too much time with other celebrities while Tia is desperate in wanting him to be in her poetry show for him to support her. Meanwhile; Neccess is trying to make a move on her new boyfriend
When Robert accepts an offer from his bosses at ""Entertainment Tonight"" to pay for his wedding for the right to televise it on their show, Tia regrets his decision when the advertising and promotions become more important than the bride and groom. Later, Robert feels bad when he learns that ""Mr. LA"" is in jeopardy of being cancelled and contemplates leaving ""Entertainment Tonight"" to help his old show.
Robert is faced with making a major career decision, while Tia learns some big life changing news. Meanwhile, Neesee is unsure she wants to take her relationship with Rusty to the next level. Damon Dash guest stars as himself.