Moesha organizes a campus concert, but when the main act is late, Dorian's group takes the stage to appease the crowd.

Moesha prolongs her stay in New York with Q, while Niecy and Hakeem wonder where they stand with her; and Dorian returns from boot camp.

Moesha can't stand the nasty and rude habits of her suite mates Niecy, Alicia and Brenda. So she tries to organize a meeting to establish ""the rules,"" but a nearby appearance by the singing group Boyz II Men hurts attendance. Meanwhile, Dee returns home from Jamaica but has to break the news to the family that she's decided to stay in Jamaica full-time to work on her education-consulting job.

Hakeem and Niecy suspect that Moesha is creeping around with Jamal, her study partner. After going out on a date with Jamal, Moesha later stays the night with Jamal; leading to major suspicion between the two. Also, Moesha receives gifts from Q and a video-message from Khalib stating that he misses her and wants to keep in touch with her. Meanwhile, Dorian turns Frank's kitchen into a barbershop.

In this hilarious Halloween episode, while trying to juggle studying, taking care of her family while Dee's away and planning for her Halloween party, Moesha, along with Niecy, starts using energy-raising vitamins to help her with mid-terms, but the vitamins cause some peculiar side effects. Meanwhile, Dorian becomes a dog trainer for a neighbor's dog named Frisky. But when he can't seem to keep the dog from barking and growling, things get ugly.

Moesha continues to help Dorian search for his birth mother. Hakeem thinks that Moesha shouldn't go digging up the past or she'll be faced with the possibility of a painful past. She assures Hakeem that she realizes the consequences but wants to continue the search for Dorian's sake. They notify a couple of women by the name of Barbara Lee. After tracking her down and learning that her actual name is Barbara Kennedy, Dorian becomes face-to-face with the woman who abandoned him. He learns that his mother also has a daughter, Reecy, and a son named Ray-Ray. When they all sit down and have a conversation, Barbara reveals some shocking news involving Moesha's mother, which Moesha can't accept. Angry and upset, Moesha leaves the apartment. Meanwhile, Frank is challenged to a race against Myles's friend's uncle. After winning the race, Frank's celebration is ruined when he learns that Moesha has been searching for Dorian's mother.

Frank is not thrilled to learn that Dorian is cutting school to go to the beach--with an older woman; Moesha realizes that Hakeem is truly her muse.

Dorian causes a stir by leaving his graduation party early to attend a performance by his rap group.

Alicia hides an Internet camera in Moesha and Niecy's bedroom for profit; invading their privacy and showcasing them to the entire world. After Moesha receives a gift from Japan sent by Q, Hakeem tries to win her back with gifts as well. Meanwhile, Myles thinks he got a girl pregnant by dancing with her.

When Frank and Dorian leave on a road trip to Las Vegas, Myles is sent to stay in Moesha's dorm where he develops a crush on Alicia. But Alicia lets Myles believe that she likes him and uses Myles to run errands for her. Meanwhile, Frank and Dorian, on their way to Las Vegas, try to resolve their conflicting issues toward each other.

After a three-month separation, Q comes to visit Moesha, along with Khalib, for Thanksgiving. Dee's father, Arthur Loving, visits as well and brings along with him his grudge towards Frank. As Moesha and Q make up for time spent apart, Q makes an odd request involving her engagement ring. (Q needs the ring to help finance some new rap group he's producing.) Khalib advises his help and concern for Moesha and offers to lend them the money. But when Moesha tells Q the news, he overreacts; leading to the end of their engagement.

Hakeem gets his first apartment with roommate Jerome. Moesha and Niecy stop by and they all reminisce on the times they've spent together from their teen years to adulthood, including Hakeem's frequent visits to the Mitchells' home, Kim's obsession for him, and his romantic relationship with best friend/ex-girlfriend Moesha.

Frank comes to visit Moesha at the dorm and confronts her about her attempts of helping Dorian find his mother. She explains to him that they both have to seriously talk. Later, Frank asks Dorian why he hadn't come to him first before seeing Barbara. Dorian tells him that he didn't want Frank to stop him and that he has his mother to count on now. Dorian visits his mother. When Barbara's sassy sister-in-law, Maya Wilkes, demands that she will not baby-sit for Reecy and Ray-Ray the same night that Barbara is expected to go out for the evening with her husband, Dorian volunteers to baby-sit, but discovers that they are more than a handful. Dorian tells Barbara that he should take his new relationship with her slowly after a few disagreements. Meanwhile, Moesha and Frank discuss the true facts about Frank's affair with Barbara and his rough marriage with Marguerite.

A class that calls on Moesha, Hakeem and company to examine gender roles in marriage leads to a disturbing experience for Moesha. Niecy isn't too thrilled about being partnered with Hakeem. Meanwhile, Dorian comes up with an inventive way to record a demo for his band.

Moesha, Hakeem and Niecy must help a troubled student named Rita who is contemplating suicide. Meanwhile, Dorian courts a minister's daughter.

Moesha returns from New York with a secret that she wants to keep from her parents, while Hakeem and Niecy attempt to make amends with her. Meanwhile, Dorian is still trying to earn Frank's trust.

The girlfriend of Dorian's prison buddy is trying get a piece of his band's profits. Meanwhile, Hakeem asks Moesha to move in with him for the summer, throwing a wrench into her and Niecy's plans of living together.

NAACP president Kweisi Mfume visits Moesha's campus to address to students about the importance of voting. When Moesha's former Girl Scout leader gives a speech on her candidacy for city council, Moesha, Hakeem, Niecy and Jerome are convinced to help her campaign. But when her interaction with Hakeem proves contrary to her projected image, the volunteers are forced with a tough decision. Meanwhile, when a mother of Myles' classmate finds out that Dee is out of town, she wastes no time making her move on Frank until neighbor and good friend Nikki Parker steps in. Also, Moesha accidentally tells Hakeem that she's engaged to Q.

Moesha is looking forward to Q's visit for Thanksgiving, until Niecy reminds her that she needs to tell her dad about her engagement. The next day, Moesha spots Hakeem at The Pendulum and tries to apologize for keeping her engagement a secret but he isn't ready to forgive her yet. Frank arrives for his lunch date with Moesha. She breaks the news that she and Q are engaged. Upset and furious, Frank storms out. At home, Dorian and his new girlfriend, Kristen, give Myles a pizza and sneak off to Frank's bedroom. Myles carelessly puts the boxed pizza in the oven to warm up. Frank later arrives home to find smoke pouring out of the oven. As the smoke alarm goes off, Kristen comes running into the kitchen wearing Frank's robe. Frank scolds Dorian for inviting a girl over to the house unannounced. Dee calls Frank from Jamaica when things calm down and as they talk, it's clear that he feels he's losing control. They wish each other happy anniversary and declare that their family is nothing com

Moesha tries to set up Niecy with Hakeem's friend, Troy, but problems occur when Moesha learns that Troy is Alicia's boyfriend. Meanwhile, Frank leaves Dorian and Myles home alone for the first time.

Moesha fears for her life after openly criticizing a poet at ""Poetry Night at The Pendulum."" Meanwhile, Dorian starts a new job working at a recording studio, but Frank thinks that all of Dorian's long hours at work may affect his schoolwork. After an argument between Dorian and Frank, Dorian secretly tries to search for his birth mother. He asks for Moesha's help. After she reluctantly decides over night, Moesha agrees to help Dorian. By helping him, she retrieves Dorian's birth certificate stating his mother's maiden name: Barbara Dolores Lee.

Dorian is the perfect son and Moesha is a vagabond when Mo ponders what would have happened if Frank stayed with Barbara.