Rainbow Johnson recounts her experience growing up in a mixed-race family in the ’80s and the constant dilemmas they had to face over whether to assimilate or stay true to themselves. Bow’s parents Paul and Alicia decide to move from a hippie commune to the suburbs to better provide for their family. As her parents struggle with the challenges of their new life, Bow and her siblings navigate a mainstream school in which they’re perceived as neither black nor white. This family’s experiences illuminate the challenges of finding one’s own identity when the rest of the world can’t decide where you belong.
The popular girls at school ask Rainbow to join their group Halloween costume as Tootie from “The Facts of Life.” She thinks this is finally her opportunity to fit in, but Denise views the situation differently. Meanwhile, Alicia doesn’t want the kids to go trick-or-treating after Harrison and his colleagues tell her about all the dangerous things that can happen.
The kids are excited to learn more about their grandad after Harrison invites the crew to family day at his country club. Although Paul thinks it’s a bad idea, he is eventually overruled. Meanwhile, Alicia attempts to fit in at the country club but ends up fighting with Denise about keeping it real.
Rainbow’s passion for science deflates when her peers convince her that science isn’t cool. During Career Day, Rainbow code-switches and pursues journalism in order to fit in, only to find that the local news anchor attending the fair has also been hiding a part of herself. Meanwhile, Harrison works to mold a testimony from Denise who struggles to be anyone but herself, and Santamonica tries to steal the spotlight back after Johan suffers an injury.
Paul is shocked to hear from his estranged mother who wants to visit for Rainbow’s 13th birthday and soon learns more about why she abandoned him. Meanwhile, Rainbow sees turning 13 as a huge turning point in her life and wants a big birthday party, but Alicia wants to celebrate all the things Rainbow missed out on over the years while on the commune.
Rainbow is excited to go on her first real date with Bryce for Valentine’s Day, but when her friends weigh in on the rules and expectations, she becomes very nervous. Alicia is wary to let Rainbow start dating and invites Bryce’s parents over for dinner to cross-examine them; and Paul gets into a fight with Bryce’s dad over politics.
The Johnsons welcome an African American family that has just moved into their mostly white neighborhood. Santamonica doesn’t get along with the new neighbor’s daughter, until she gives Santamonica attitude. Meanwhile, Rainbow is excited to celebrate her one-month anniversary with Bryce, but he tells her some devastating news.
Rainbow’s friend Rebecca gets mono (“the kissing disease”), and after helping her out, she becomes interested in the medical field. Alicia fibs to Paul about getting a flu shot, and when Denise gets sick, their distrust of the medical community comes to light. Meanwhile, Johan and Santamonica go to live with Harrison while Denise is sick and start to enjoy his lavish lifestyle.
The kids meet a homeless man in their neighborhood, and Paul and Alicia try to have an honest conversation with them about the homelessness crisis. Paul and Rainbow try to help by starting a soup kitchen at Rainbow's school. Meanwhile, Denise has a new boyfriend and Alicia doesn't think they're a match.
It’s not all fun and games when Paul wants to crash Denise and Alicia’s neighborhood Spades match, so they teach him about the cultural and racial significance of the game. Meanwhile, Santi, Johan and Bow learn about divorce after watching a movie, so Harrison tries to teach them that divorce can be cool.
In 2021, Adult Rainbow, Johan and Santamonica recall very different accounts of what happened the summer that they all got their new bicycles. In the ‘80s, an overprotective Alicia's worst fear comes true when one of the kids goes off on their own with their bike and gets lost. Meanwhile, Harrison catches Denise spending extra time in the office to get overtime and puts her to work.