Jean, an empty-nester mom, wonders how she ended up alone while her children live their best lives thousands of miles away. She decides her place is with her family, and as she reinserts herself into their lives, her kids realize they might actually need her more than they thought.
Jean attempts to hang out with her kids but quickly realizes they have jobs and lives of their own. She soon finds herself lost navigating the streets of Los Angeles and discovers a new friend along the way.
After the secret gets out that Jean came to L.A. to check on Freddie but not Jackie during quarantine, Jean plans a girls' night for just her and Jackie to bond, but it doesn't go as smoothly as planned. Meanwhile, Celia grows frustrated with Freddie always counting on his mother to take care of him and confronts him for taking Jean's advice over hers.
Jean realizes balancing a new job while trying to spend time with Jackie and Freddie might not be the best way manage her time, meanwhile Danny helps her to realize she needs to establish an adult relationship with them and set boundaries.
Jackie decides she needs to be Jean's relationship guru and helps her land a date with a guy from the farmers market. Meanwhile, Freddie worries that he's not interesting enough for Celia when he learns about her dating history and decides to make a change.
Jean brings the family together for Sunday dinner and invites Jackie's older boyfriend; Celia tries to prove to Freddie that Jean isn't her biggest fan.
Jean and Danny's relationship grows complicated emotionally and physically as they try to resist their feelings for one another until his divorce is final; Freddie is disappointed to learn that Celia plans to keep her place as a backup plan.
As Jean's birthday approaches, Jackie and Freddie compete over who is getting her the best gift; and Jean's best friend, Sharon, surprises her in Los Angeles but their time spent celebrating quickly takes a turn.
When Lane's judgmental mom comes to town, Lane tries to hide anything that she may disapprove of; Freddie attempts to hide his professional success to make Jackie feel better about her current difficulties.
Before Sharon leaves town, she and Jean decide to plan a trip to Vegas. Meanwhile, Celia and Freddie have a serious conversation about whether or not they want kids.
After Danny's divorce is finalized, he asks Jean to go out on an official first date with him; Freddie and Jackie fight over who should get to keep Jean's old engagement ring.
Jean fears her family is drifting apart so she brings everyone together for a game night that doesn't go as planned.
Jean and Danny embark on a trip to Iowa together with hopes of taking their relationship to the next level, but ghosts from Jean's past life make it difficult for them to move forward. After becoming addicted to true-crime television, Jackie, Freddie and Lane realize they don't know much about Danny and fear that he could be a murderer.