Joss testifies at Wilson's cuddle trial a year after her perilous encounter with him. Marc has employment problems. Karen thinks her male nanny is making advances toward her. April fears Lucy is growing up too fast.

Harry's sister arrives for a visit and reveals that all is not well between her and her fiancé. Joss has trouble celebrating her own engagement. April learns about a painting fellowship. Marc joins a band. Karen bonds with her male nanny.

Kate soon realizes dating in Los Angeles is a little harder than she expected. Harry has an exciting new job venture while April finally realizes what her passion is with a little help from Marc. The boundaries between Karen and her many, Robert, become complicated. Meanwhile, Joss is still trying to figure out how to deal with the aftermath of the past year.

Karen realizes she's very happy to be back working with her clients again, despite putting her love life on hold. April's new client gets a little too close for comfort, while someone from Marc's past becomes very present. Kate struggles after learning her ex-fiancé is dating someone else, while Joss plays dirty to get a new client.

Karen's agent is unimpressed with her new book proposals; April quits her job after being kissed by Michael; Joss and Harry struggle with their new working relationship.

Alec makes a surprise visit and turns Karen's life upside down when he reveals something new in his life. April and Marc butt heads when it comes to parenting Lucy, putting a strain on their relationship. Kate discovers her new love interest has close ties to Joss and Harry. Joss and Harry get invited to Las Vegas by Harry's new business partner, Jonathan, and Joss snaps unexpectedly just before they are to be married.

Alec threatens for full custody of Vivian, sending Karen into a panic. April and Marc find a condom in Lucy's jacket, forcing April to give "the talk". Kate doesn't tell Joss and Harry about her new boyfriend, as it could have serious recuperations. Joss' actions put Jonathan's nephew in the hospital and later causes tension in her and Harry's relationship.

April's mom pays her a visit, which stirs up trouble; Karen is unsure about her new nanny; Harry struggles with fame; Joss discovers her ex-fiancee is dating Kate.

April's mom extends her stay at April and Marc's place, but puts more of a rift in their relationship. Unbeknownst to Karen, Lydia creates an online dating profile using Karen's photo, which leads to Karen meeting up with a guy. Kate decides to move out of Harry and Joss' place, and Harry becomes furious when he discovers Joss knew about Scott and Kate's relationship and deliberately withheld it. Joss begins taking pills to deal with her anxiety and stress, which leads her down a dangerous path.

April makes an important decision about her future; Lydia tries to sabotage Karen and Adam's new relationship; Joss attends a funeral.

Despite April trying to win Marc back, he ends things between them for good, but there may be a surprise in store for them. Karen is furious when she finally discovers that Lydia was posing as her online and ends up firing her. Harry juggles two potential business opportunities, but it ends up backfiring. Meanwhile, Joss, along with her impact class friends, goes to find the man whohuged their friend and teach him a lesson. After so much fighting, Joss finally tells Harry the truth about a past incident.

When Marc gets great news about his career, April struggles with how to tell him she's pregnant; Karen meets Adam's parents; Lydia's situation has devastating consequences for Karen; Kate finds out the truth about what happened with Scott.

Fast-forward several months, Joss and Harry, as well as April and Marc, are happily married and are new parents. Marc takes on the role of an overly concerned, overly attentive parent, while Harry is more hands-off as he tries to navigate how to be a father. Harry's world is turned upside down when he meets Gabe, someone from his past.