Jean, an empty-nester mom, wonders how she ended up alone while her children live their best lives thousands of miles away; she decides to reinsert herself into their lives.
Jean attempts to hang out with her kids but quickly realizes they have jobs and lives of their own; Jean finds herself lost in Los Angeles and discovers a new friend along the way.
Jean plans a girls' night for just her and Jackie, but it doesn't go as smoothly as planned; Celia grows frustrated with Freddie always counting on his mother to take care of him.
Jean realizes balancing a new job while trying to spend time with Jackie and Freddie might not be the best way to manage her time; Danny helps Jean to realize she needs to 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; 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; Jean's best friend 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; Celia and Freddie have a serious conversation about whether or not they want kids.